>>An ISP modifying pages on-the-fly as they're delivered to your computer:
>>
>>http://lauren.vortex.com/archive/000337.html
>
>The net masses need to threaten to boycott any such ISP and the company who tries to invent the technology.
>
>We are paying for our internet connections, right? And the content providers have their own ad-based business models. Piggybacking parasite ads on top of that would eventually kill the web, just like it killed the radio, movies and TV.

There was a comment in another link that makes this technology legally iffy, at best (at least here in Canada): http://www.cbc.ca/technology/story/2007/12/11/tech-rogers.html

"... Rogers was running afoul of the Telecommunications Act, which states that 'a Canadian carrier shall not control the content or influence the meaning or purpose of telecommunications carried by it for the public.'"