Yes, a growing number of ISPs are trying to gouge out the last bit of revenue from the internet by spying on their customers' browsing habits. A classic method is the use of "Phorm".
Enter "AntiPhormLite" :D
http://www.antiphorm.com/page_software.htm
What it does is generate spoof browsing in the background which makes the data collected worthless.
It is free, and source code is available if you don't trust it.
