Here's the framework, summarized within one image (click on it below to download to your device).
Helping CEOs Understand How Customers Interact With Advertising, Products, Brands, and Channels
February 06, 2025
February 05, 2025
Mini-Assortments in Action Streams
You probably already do this (if you aren't doing this, wow) ... but you already know which items sell best in each attributed marketing channel ... right?
In other words, you have an assortment of Dresses ... pretend there are 100 styles you offer. You already know that The Positano (click here) sells best in Product Listing Ads, or that the Bellamira sells best in Email Marketing Campaigns.
You also know that a lapsed eighteen month customer previously purchased via a Product Listing Ad. If that customer is about to meet one of two criteria ...
- + The customer just visited your website.
- - The customer is about to lapse out of the "Lapsed Spend" segment to "Lapsed Experiment"
February 04, 2025
Switching Up Creative
- Does the customer pay, on average, at or above-average prices for individual items? In other words, if an item normally sells for $50 and sometimes sells for $30, does the customer skew toward $50 or toward $30?
- If the customer skews toward $50, why not feature a half-dozen items that align with the interests of the customer ... featuring these items above-the-fold, featuring the ridiculous discount elsewhere?
February 03, 2025
How Accurate is ChatGPT in Describing Action Streams?
When I asked ChatGPT to give a specific example of implementation of an Action Stream, here's the answer I received.
Do you think the answer is credible?
Example of Implementing Action Streams in Marketing
Let’s say an online fashion retailer wants to improve customer engagement and increase conversions using Kevin Hillstrom’s Action Streams model.
Step 1: Identify Key Customer Actions
The retailer tracks customer behaviors in real-time, including:
- Browsing Activity – Customers who repeatedly view certain products.
- Cart Abandonment – Customers who add items to their cart but don’t complete checkout.
- Purchase Recency – Customers who bought something recently vs. those who haven't in a while.
- Email & Ad Engagement – Customers who open marketing emails or click on ads.
Step 2: Assign Customers to Action Streams
Instead of placing customers in broad segments (e.g., "high-value customers"), they are placed in action-based groups:
- "Window Shoppers" – Customers who browse but don’t add items to their cart.
- "Cart Abandoners" – Customers who add items to their cart but don’t purchase.
- "Loyal Repeat Buyers" – Customers who make frequent purchases.
- "Reactivatable Customers" – Customers who haven’t shopped in a long time but just engaged with an email.
Step 3: Take Real-Time Action Based on Behavior
- For "Window Shoppers": Send a personalized email showing items they browsed + a limited-time discount.
- For "Cart Abandoners": Trigger a retargeting ad or send an email with a reminder and an incentive (e.g., "Your cart is waiting – checkout now and get free shipping!").
- For "Loyal Repeat Buyers": Offer an early-access sale or exclusive VIP discount to encourage another purchase.
- For "Reactivatable Customers": Send a re-engagement email with "We've missed you!" messaging and a curated selection of new arrivals.
Step 4: Optimize & Iterate
By monitoring how customers respond to these actions, the retailer continuously refines the approach, ensuring the right message is sent at the right time based on real behaviors, not static segments.
Why Action Streams Work
- They react to live customer behavior, increasing relevance.
- They prioritize high-value interactions over generic mass messaging.
- They create a more personalized customer experience, boosting conversions.
February 02, 2025
Action Stream Attributes (ASA)
It's common to have a simple table in your database to help execute Action Streams. You probably already have something similar to this ... your use of the table likely varies.
Here's some of the attributes I routinely provide for clients who ask for Action Stream Attributes (ASA).
- Email Address
- Household_ID
- Kevin's Action Segment (Elite, Loyal, Quality, Average, Struggling, Lapsed Spend, Lapsed Experiment, Lapsed Save $).
- Kevin's Action Segment Score (Probability of Buying in the Next Year).
- Kevin's +/- Indicator (+ = Customer Just Visited Website or Engaged in a Trackable Manner) ... - = Customer Is About To Fall To A Lower Action Segment).
- Months Since Last Purchase.
- Number of Purchases, Past Five Years.
- Average Order Value, Past Five Years.
- Total Demand/Sales Spent, Past Five Years.
- Primary Marketing Channel Purchased From (Email, Paid Social, Paid Search, Affiliates etc).
- Secondary Marketing Channel Purchased From.
- Primary Merchandise Department Purchased From (Mens Tops, Mens Bottoms, Mens Outerwear, Womens Tops, Womens Bottoms, Womens Outerwear, Home, Kids, Accessories etc).
- Secondary Merchandise Department Purchased From.
- Price Point Preference (High, Medium, Low).
- Discount/Promo Buyer (% of spend below average historical price point for an item).
- New Item Preference (% of spend on items new in the past year).
January 30, 2025
Happy Hour!
I mentioned in December that I was thinking of hosting a Happy Hour where you could ask me any questions you might have as well as having general discussions with the attendees. So let's try this ... I don't care if four people sign up or forty.
Happy Hour
- Thursday, February 13.
- 8:00pm EST / 5:00pm PST.
- 55 Minutes.
January 29, 2025
+/-
In the NBA, players are occasionally evaluated on a "+/-" metric. If you come into the game with the score 42-34 and you leave the game with the score 54-44, your +/- is +2 (you were ahead by eight when you came in and you left leading by ten).
In Action Streams, +/- represents a change in customer state.
- A "+" is when the customer does something positive, like visiting your website or interacting with your community or watching one of your videos on YouTube or clicking through an email campaign.
- Contact 1 = Show customer what the customer looked at.
- Contact 2 = Show customer related products.
- Contact 3 = Your best discount/promotion (since your lust for discounts/promotions requires action).
- Contact 4 = Show customer content options to keep the customer engaged.
- Elite: 75%+ Annual Rebuy Rate + 12 Month Buyer.
- Loyal: 60% - 74% Annual Rebuy Rate + 12 Month Buyer.
- Quality: 40% - 59% Annual Rebuy Rate + 12 Month Buyer.
- Average: 20% - 39% Annual Rebuy Rate + 12 Month Buyer.
- Struggling: 0% - 19% Annual Rebuy Rate + 12 Month Buyer.
- Lapsed Spend: 12%+ Annual Rebuy Rate (worth spending money on).
- Lapsed Experiment: 5% - 11% Annual Rebuy Rate (worth testing ideas on).
- Lapsed Save: 0% - 4% Annual Rebuy Rate (don't spend money, they are unresponsive).
- Example: A Loyal customer drops to a 61% annual rebuy rate. This customer is graded with a "-". This is your signal to DO SOMETHING to prevent the customer from falling from Loyal to Quality status next month.
January 28, 2025
Action Streams: Compatibility Scores
It's 2001 at Nordstrom.
The e-commerce Executive wants to tailor email campaigns to the merchandise customers previously purchased. Her team tells my team they can support ten (10) different versions of an email campaign twice per week. My team is brilliant. They tell her they can develop a methodology to pair customer purchase history with the content offered in a version of an email campaign.
What they came up with is similar to what I currently call a "Compatibility Score".
Let's oversimplify the process. Say you have two versions of an email campaign, and you want to decide which version the customer should receive. Now, there are better ways to do this, and if you don't like how I oversimplify my example below, by all means, add the level of complexity necessary to suit your needs. But for the love of Nordstrom, do something, ok?!
Ok, here is the merchandise composition of email version #1.
- Mens = 70%.
- Womens = 20%.
- Kids = 10%.
- Home = 0%.
- Accessories = 0%.
- Mens = 0%.
- Womens = 50%.
- Kids = 30%.
- Home = 20%.
- Accessories = 0%.
- Mens = 15%.
- Womens = 40%.
- Kids = 10%.
- Home = 12%.
- Accessories = 23%.
January 27, 2025
Action Streams and Returns
In case you were wondering, no, "AI" is not going to solve the retail "returns" problem.
It can make your returns problem better, but come on. Most "AI" you see in my industry is Snake Oil, a rebranding of an old problem and an old solution, allowing the salesperson to charge a premium.
Why do I say this?
In 1993 (yeah ... 1993) I built a model using the hyperbolic tangent function (look it up) to predict the return rate of every one of four million twelve-month buyers. Today the snake oil folks would call the hyperbolic tangent function "AI". Anyway, we learned that returns behavior was not predictable until a third purchase. At that point, any customer who returned 60%ish of items (i.e. bought 9 items, returned 6 on those first three purchases) was a customer likely to return in the future, costing us $$$$. Our decision? Cut back on mailings to those customers ... from 20-25 per year to 4-6 per year. Boom. Another million dollars of profit.
In the modern world, some of you have Action Streams for customers who return too much merchandise. There is no reason you have to email customers who return 60%+ of what they purchase. You create an Action Stream once the customer passes a threshold, and you send the customer maybe 4 email campaigns a month instead of 4 per day.
You are under no obligation to keep emailing customers who return most of your merchandise. The customer can still buy from you. But you don't have to waste resources, do you?
Set up an Action Stream to bypass customers who return too much merchandise. You'll also bypass all the snake oil salespeople pushing "AI" solutions upon you.
January 26, 2025
It's Time!!
Four months go by in the snap of a finger!
Remember just two months ago when you were told you HAD to have a PERECT Cyber Monday experience with 70% off or you'd disappoint today's savvy shopper? Well, how did all that work out for you?
In this run of the Elite Program ($1,000 for existing clients, $1,800 for new clients, no commitment moving forward) I'll look at how many new customers you generated from Cyber Monday and I'll see if they purchased since vs. other customers acquired just before / just after Cyber Monday. That and my usual Rolling Twelve Month Analysis / Comp New Buyer / Comp Segment / Annual Repurchase Metrics / Next Year's Forecast.
It's virtually free. Here's the criteria.
- Pre-pay the fee on or before February 15.
- 5 Years of Customer Data Through January 31.
- Data due by 2/15.
- Analysis completed by 2/28.
January 23, 2025
What Would An Action Stream Look Like?
The results were absolutely compelling.
Let's say the customer last purchased eight (8) months ago, and just visited your website. What should you do?
- If you are obsessed with discounts, it's time to kick those into high gear. Instead of 25% off, make it 35% off. You'll love it, your customer will like it.
- Show the customer new arrivals for the product category that the customer previously purchased from.
- Ask the customer if the customer needs to replenish what was previously purchased.
- Promote the items that the customer looked at last month.
- Promote complementary items to the items the customer just looked at.
- Promote complementary items to what the customer purchased previously.
- Ask your customer to engage with more of your content.
- In retail, tell the customer of upcoming in-store events the customer may want to participate in.
January 22, 2025
It Happens With Best Customers As Well
Here's our table for customers with 5+ purchases, segmented by recency and a website visit in the past month.
The "Index" column is of interest here ... we were seeing gains of 2x-5x among lower-quality customers ... the index here is much lower, though any one of us would love to market to a customer 50% more likely to buy than a comparable customer, right?
I mean, look at 13-15 months of recency.
- No Website Visit = 9.5% chance of buying next month.
- Yes Website Visit = 18.7% chance of buying next month.
- P.S.: Taking action does NOT mean sending your same email campaigns that you send to everybody else. You have to do something different, for this specific customer.
January 21, 2025
Seasonality is Amplified
Back to our table from yesterday, reviewing customers with two life-to-date purchases, measuring how they perform in the next month based on their recency and based on whether the customer visited your website in the past month.
Did you do you homework assignment from yesterday?
Look at recency = 12 months. If the customer last purchased 12 months ago, the customer is more responsive than at recency = 2/3/4/5/6/7/8/9/10/11 months ago. That's some serious seasonality going on.
Now look at what happens if the customer is at recency = 12 months AND the customer visited your website last month? That customer ... has a 16.0% chance of buying next month. It's the customer most likely to purchase in the entire table.
Is your old-school RFM segmentation system able to see that happening?
The job of a marketer is to get seasonal buyers to the website JUST BEFORE the season of interest is about to happen. And if the customer actually cares enough to visit, you kick off an Action Stream of unique marketing activities tailored to that individual customer.
January 20, 2025
Do Better Customers Behave Similarly?
Yes!
Which means better customers also deserve Action Streams that are uniquely tailored to them.
Here's an example of customers with two life-to-date purchases, segmented by recency and visit / no visit in the past month, measuring rebuy rates in the next month.
If you last purchased 19-24 months ago AND visited the website in the past month, you are more likely (8.8%) to buy in the next month than a customer who bought 1 month ago and did not visit your website (7.8%).
So yes, better customers behave similarly.
If you last purchased 25-30 months ago (for instance) and visited the website in the past month, you darn well better craft an Action Stream of unique marketing activities for that highly responsive customer.
Homework Assignment: Look at the row with twelve months of recency. We'll talk about that row tomorrow.
January 19, 2025
What Is An "Action Stream"?
You'll hear me talking about "Action Streams" in the next few weeks, and for good reason.
What is an "Action Stream"?
It's the (unique/different) marketing activity you initiate when a customer "takes action". You want customers to take action (to "engage" as the muttonheads say), it shows you that the customer is interested in you.
Want to see an example of why you need Action Streams?
The table below is for customers with one (1) life-to-date purchase. Each row represents months since last purchase. There are two columns of interest ... one column represents repurchase rates in the next month for customers who did not visit your website last month ... the other column represents repurchase rates in the next month for customer who DID visit your website last month. Which group of customers do you think performed better in the next month?
Oh my goodness!
A customer who last purchased 31-36 months ago AND visited your website last month had a 5.6% chance of purchasing next month.
A customer who last purchased three months ago and did not visit your website last month had a 3.3% chance of purchasing next month.
Which customer is more valuable?
Which customer, according to your antiquated RFM-based system, would you prioritize?
- 3 Months of Recency Customer.
- 31-36 Months of Recency who visited your website last month.
January 16, 2025
Bob Uecker
He passed yesterday - he was the soundtrack of a Wisconsin summer for five-and-a-half decades, though you might know him from the movie Major League.
My Grandfather used to keep score of Brewers games in the mid-70s (helping fuel my budding interest in statistics) ... he'd just get up from the living room at 6:55pm, pour himself a 7oz glass of Kingsbury beer, open up his season-long scorebook, and lose himself in Uecker-isms via a transistor radio. His Father-In-Law lived upstairs, listening to games. That guy was born 19 years after the end of the Civil War. Time flies, folks.
What a colorful life.
18 Months Away And Then BOOM, The Customer Reappears: Action Streams
- The customer is moved into a separate email "stream".
- Content shifts from education / entertainment (designed to create engagement) to "buying something now". Many of you already do "some" of this (cart abandonment programs) ... but your personalized "Action Stream" should match purchase history with what the customer just looked at. If you were ever going to offer a discount/promotion, this might be a good time to explore the topic.
- Use social / video to keep the customer interested.
- Use batch-and-blast email campaigns to link social / video to commerce.
- Use Action Streams to POUNCE on customers who just visited your website and showed the slightest bit of interest in your brand.
January 15, 2025
Some of Those Customers Suddenly Reappear
In the stone ages of e-commerce (1999), I worked at Eddie Bauer. We had a Home business.
Those of you who have worked in Apparel and Home fully realize that these are two completely different business models.
- Apparel = Purchases every few months.
- Home = A cluster of purchases, followed by dormancy, followed by a potential future cluster of purchases.
- We stopped mailing most existing Home customers after three months.
- We rented every possible customer we could from Pottery Barn and Williams Sonoma, mailing those customers instead of our own Home customers.
- The minute the Home customer visits your website and looks at Home products, you should immediately "Action Stream" a series of in-house marketing designed to close a sale right now. It's a different marketing cadence than you can get away with in other product lines.
January 14, 2025
Subscriptions
More than a decade ago I worked with an e-commerce startup. You could buy their products online, or you could sign up for a subscription, allowing you to continue to receive products on a monthly basis.
My job was to evaluate the subsequent behavior of a subscription customer vs. a classic e-commerce customer.
- The e-commerce customer bought +/- 3 times per year, had a reasonable repurchase rate, and continued to buy +/- 3 times per year moving forward.
- The subscription customer? The customer bought for three consecutive months ... unsubscribed ... then just disappeared. No/Few subsequent purchases.
January 13, 2025
It's $690 For a Brown Scarf
Do you have any idea how hard it is to get a customer to pay $690 for a scarf?
In a world where you can pay $9.99 for a perfectly credible scarf delivered in just hours, it is infinitely hard to accomplish this task.
And yet ... somewhere, there are marketers who convince their target audience that this is a perfectly good use of customer funds. And don't tell me "well, those are rich people so the rules are different" because yes the rules are different, but you still have to convince the customer to spend the money that way vs. an infinite number of ways that rich people can spend money.
You'll find a thousand vendors who will help you figure out how to use technology to offer the exact right discount at the exact right time to the exact right customer.
You'll find virtually nobody who is able to convince a customer to pay $690 for a scarf.
I just wonder how much we've all been deluded by third parties to chase the lowest-common denominator?
January 12, 2025
Judy, Jennifer, Jasmine
Back in 2012 I put together a popular series about three personas ... Judy, Jennifer, and Jasmine (click here). So popular, in fact, that I was invited to speak at a conference in New England about the personas (here's the agenda for those of you who enjoy nostalgia). These were heady times ... you didn't need to bring $20,000 to the agency running the conference to be able to address the entire audience like many conferences require of their speakers today. Keep that in mind as you think about the NRF's "Big Show" that is coming up (yes, somebody sent me the pitch deck they received for how much people have to pay to play there .... that's what modern conferences are all about ... you are most assuredly not getting brilliant insights from the best and brightest, you are getting content from people paying for access to you).
Thirteen years later, the personas have aged.
- Judy = 72 years old.
- Jennifer = 56 years old.
- Jasmine = 40 years old.
- Judy, 72 Years Old.
- Jennifer, 56 Years Old.
- Jasmine, 40 Years Old.
- Jadyn, 24 Years Old.
January 08, 2025
Weighted Email Attributes
I'll use my headphone hobby as an example.
Weighting (you'll develop your own weighting scheme based on a regression model).
- 0-12 Month Purchases = 100% Weight.
- 13-24 Month Purchases = 60% Weight.
- 25-36 Month Purchases = 35% Weight.
- 37-48 Month Purchases = 20% Weight.
- 49-60 Month Purchases = 12% Weight.
- 61+ Month Purchases = 7% Weight.
- October 10, 2024 = $200 on in-ear monitors, $140 on a dac/amp.
- May 1, 2021 = $800 on open-back headphones.
- In-Ear Monitors = $200 * 1.00 = $200.
- Dacs/Amps = $140 * 1.00 = $140.
- Open-Back Headphones = $800 * 0.20 = $160.
- In-Ear Monitors = 200/500 = 40%.
- Dacs/Amps = 140/500 = 28%.
- Open-Back Headphones = 160/500 = 32%.
January 07, 2025
Two Clicks
- Segment buyers by the Elite / Loyal / Quality / Average / Struggling / Lapsed framework.
- Segment email subscribers by Inactive / 1 Click-Through Past Year / 2+ Click-Throughs Past Year / 1+ Email Purchase Last Year.
January 06, 2025
You've Probably Done This Already ...
... but I sense some in the audience would appreciate a refresher course.
Test:
- Group "A" receives all emails in the next month (i.e. 25 contacts).
- Group "B" receives some emails in the next month (i.e. 10 contacts).
- Group "C" receives no emails in the next month (0), though I realize some of you find this unpalatable, so you could make it a small number (i.e. 4, one per week).
- Measure total spend after a month, at a customer level.
- Group "A" = $25.00.
- Group "B" = $23.00.
- Group "C" = $20.00.
- We adjust for the fact that the customer would have spent $20.00 no matter what ... that's the organic amount.
- Compared to Group "A", your organic percentage is 20/25 = 80%.
- Group "A" = $25.00 - $20.00 = $5.00.
- Group "B" = $23.00 - $20.00 = $3.00.
- Group "C" = $20.00 - $20.00 = $0.00.
January 05, 2025
Lost
There are many ways to tell if a marketing team is lost.
One of the most important metrics is new customers acquired vs. new customers needed to maintain flat sales (or whatever your sales goal is). If you aren't measuring this, you are already lost.
Meanwhile, we have email marketers.
Here's how one brand treated me from 1/1 - 1/5.
- January 1 = 3 Campaigns.
- January 2 = 3 Campaigns.
- January 3 = 5 Campaigns, Including 3 Within 9 Minutes of Each Other.
- January 4 = 3 Campaigns, Including 2 Sent Within 1 Minute of Each Other.
- January 5 = 3 Campaigns.
P.S.: Yes, my teams executed email marketing campaigns back in the day, and they executed campaigns where, at any time, a store manager could request that their campaign trumped the e-commerce message ... and yes, at any time, four store managers could request that their campaigns trumped the e-commerce message and we had to prioritize which of the four store managers got to communicate to the individual customer. And if no store managers requested access to the customer, the customer received one of ten (10) possible campaigns, all ten with the same core marketing message but personalized with a different merchandise assortment based on prior customer purchases.
My team did this. In 2004 they did this. They were spectacular marketers/analysts.
So do not tell me how "difficult" your email marketing job is, resulting in having to send three campaigns to me within minutes of each other communicating different messages. Your email service provider would LOVE the opportunity to execute something sophisticated on your behalf.
P.P.S.: My best e-commerce clients generate about 30% of annual sales from email marketing, and their programs are not communicating sale messages with varying percentages off every 6-7 hours. You'll know when your email marketing program works well when you generate 20% to 40% of sales from email marketing. Generate less and your email marketing program isn't working well as it should. Generate more and the rest of your marketing program is not working as well as it should.
January 04, 2025
Not An Outpouring, But ...
I performed a Saturday test (click here).
Turns out that if I talk about Affiliate Marketers scamming you, you respond. En masse. Not an outpouring, but one of the larger post-COVID outbursts I can remember.
Your responses suggest that some vendors are out to mess with you, without regard for the health of your business.
The past year has been so darn fascinating. In catalog marketing, your paper/print partners messed with you. You didn't like that. Remember that feeling.
Yesterday, the e-commerce audience responded, loudly, with stories of being ripped off by digital vendors.
When you (unscrupulous vendors) scam my clients, how does that make you feel? When you buy a new Lexus because you siphoned off a portion of client profit for your own benefit ... by lying ... how do you sleep at night?
I worked in the vendor world for one (1) year, back in 2000, at a retargeting startup. My goodness. What a train wreck. While the company generally tried to do good for clients, the employees were all about stock options, and would do what the felt was "right" to boost the stock price so they could retire as a 28 year old. I have a patent for a product that I created in response to employees choosing to not serve clients, causing me to invent a competing product within my own company so that clients could benefit. I know a little something about vendor employees and self-interest, even if that knowledge is dated.
P.S.: What's awful is that nasty vendors get all the attention. I had a video conference a few months ago with a catalog agency that keeps things quiet ... minimal publicity, working hard to do "what is right". Really good vendors are out there, folks. They just keep their good works quiet.
January 03, 2025
Greatest Twitter Marketing Thread Ever
Just read the entire thread ... every word (click here). Every word, please.
Don't have Twitter? I did you a solid ... here is the text. Everything that is wrong about digital marketing, corrupt vendors, and muttonheaded marketers at brands who can't be bothered to ask simple questions is on display here.
My team built the leader competitor to
January 02, 2025
Innovation Responses
I asked readers to offer examples of e-commerce brands executing tactics that are "innovative". Based on my metrics, several thousand of you read the requests on LinkedIn and on this blog. Five responded. Here are the responses.
From LinkedIn: I don’t know how “innovative” this is — but the best ecom brands seem to proactively cultivate talent from within, rather than recruit from the outside as a first option. I’m surprised more DTC brands don’t pay more attention to player development (like sports teams).
From LinkedIn: See traq.ai for sales conversions and flow.space for growing CPG brands.
From LinkedIn (this one doesn't seem authentic): As a fellow e-commerce professional, I would like to acknowledge the innovative tactic of using AI-powered chatbots to improve customer service and increase sales. Companies like XYZ are leading the way in this area.
From Our Blog: Here we go: https://www.lavialla.com/. Product: overpriced, exchangeable Italian organic food sold by everyone else. Half jokingly. I have seen them telling their story and growing year over year while the products they sold were available for a fraction of the costs in any urban area. Or on Amazon, which they don't use.
From Our Blog: I was shown the 'Your Style Assistant' (bottom left of home page) icon on michaelkors.com a couple of months ago. Its conversational Ai, allowing customers to input what they're shopping for, with results instantly served. It's provided by Dynamic Yield. The use case I was shown:
- I'm going to a wedding need a dress - statement dresses shown
- It's in Bali, do you have light weight dresses - relevant product shown
- Do you have any in brighter colours - relevant product shown
- Do you have any for under $200 - relevant product shown
- Do you have shoes to go with that - relevant product shown
A much more tailored, relevant, enjoyable shopping experience. I understand voice activation will be phase 2.
The Action Stream Framework
Here's the framework, summarized within one image (click on it below to download to your device).
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It is time to find a few smart individuals in the world of e-mail analytics and data mining! And honestly, what follows is a dataset that y...
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It's the story of 2015 among catalogers. "Our housefile performance is reasonable, but our co-op customer acquisition efforts ar...
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Ok, we all know that as we spend more we get more customers, but at an ever-diminishing rate of return. The diminishing rate of return is wh...