According to this article, this company called NebuAd is selling devices to ISPs that will allow them to custom tailor ads for people based on their web browsing.

From their website:
QUOTE
At NebuAd, we deliver behaviorally-targeted advertisements that provide incomparable results to advertisers, publishers, service providers, and most importantly, to consumers. NebuAd delivers these results through keen insight into a consumer's dynamic web-wide behavior, sophisticated and innovative methodologies and technologies, and the ability deliver the most relevant advertisement at the right time in the right place – anywhere across the internet.

See also this article:
http://www.techcrunch.com/2007/06/23/real-...ed-advertising/


Glad to see these bad guys are blocked!