And Ghostery - (find it) - both are indispensable.
And AdBlock Plus!!! https://adblockplus.org/en/
(I'm not sure how many of these can be used on browsers besides Firefox).
And don't forget Ixquick (PROXY!) - https://ixquick.com/
And also see: Unblock Sites - http://unblocksit.es/
IxQuick START-MAIL !!! - https://www.startmail.com/
And don't forget TOR - which the FBI plans to hack, however.