Marcia - 8:09 am on Mar 2, 2001 (gmt 0)

>enhancement to your established site with the right audience

Good point bartek, enhancement. That's what I've also heard it referred to as.

I believe the current consensus is that banners are done for, but inline text affiliate programs can be workable for revenue to some degree, if done right and in context. You'll find good information and ideas in the Website Advertising Forum [webmasterworld.com]

austtr, I've heard mention of postcards on sites in conjunction with viral marketing techniques, a whole study in itself.