$0 (=Rs.0 ... I'm from India).
I use FFx+ Adblock all the time, and Ctrl+Shift+P (Private Mode) when I need the added protection of invisibility (as well as Torbutton to use Tor for a 3rd layer of safety.)
Google, by it's past record, is a company I can trust (ofcourse only to a certain extent) with my data.
Google, by it's past record, is a company I can trust (ofcourse only to a certain extent) with my data.
Facebook on the other hand...
EDIT:
Related: Would Twitter be better if your paid for it? : http://gigaom.com/2012/07/22/free-vs-paid-would-twitter-be-b...