Some retailers see the internet as a modern version of television. Saks Fifth Avenue debuted a video catalog, called "Fashion in Action".
One might envision how Saks or other retailers will morph their websites into entertainment/media divisions. For retailers, e-commerce may not represent the future of the internet.
Catalogers: Third parties and the USPS are crimping our ability to market via paper. Nobody is stopping the catalog industry from experimenting in this fashion.