"More Customers Being Monitored by Their ISPs The online behavior of a small but growing number of computer users in the United States is monitored by their Internet service providers, who have access to every click and keystroke that comes down the line. The companies harvest the stream of data for clues to a person's interests, making money from advertisers who use the information to target their online pitches." [from GigaLaw.com]
http://www.washingtonpost.com/wp-dyn/content/article/2008/04/03/AR2008040304052.html "Although common tracking systems, known as cookies, have counted a consumer's visits to a network of sites, the new monitoring, known as "deep-packet inspection," enables a far wider view -- every Web page visited, every e-mail sent and every search entered. Every bit of data is divided into packets -- like electronic envelopes -- that the system can access and analyze for content. ...In fact, newly proposed Federal Trade Commission guidelines for behavioral advertising have been outpaced by the technology and do not address the practice directly. Privacy advocates are preparing to present to Congress their concerns that the practice is done without consumer consent and that too little is known about whether such systems adequately protect personal information."