ISPs legally have to retain all of your browsing information and everything you do or visit through the internet by the government, also including mobile phone texts and calls etc for a year. You may remember Edward Snowden revealing all the sneaky things governments do to listen in on calls and texts and browsing activity etc, just because you've managed to avoid articles about it doesn't mean it doesn't exist.We havn't had this news in Britain, unless it's coming. But we've had a lot of news about things online before so
Nothing you do is private anymore; it's the 21st century.
A rather informed article that goes into more depth.
tl;dr: sure you may protect your data from being sold on or leaked, but the government has it anyway whether you like it or not.