Please Help Our Industry Measure Advertising Effectiveness: 19 Days To Go

This is a reminder that there are just nineteen days left to provide your answer in The MineThatData Measuring Advertising Effectiveness Challenge. This is an exercise to help the multichannel retailing industry measure the impact of catalogs, postcards and e-mails simultaneously delivered to various customer audiences. This link has been the most visited link on this blog. I already have one solution, and am looking forward to more by the 1/31/2007 deadline.