I can't use this all the time but for a short time this is one of the greatest addons for Firefox.
go to popurls.com
scroll and hear an alarm everytime a tooltip pops up.
uninstall and reactivate 'ghostery'.
just kidding, but it does give you an idea how you are being tracked by google and gives you a wake up call on every site that uses google analytics.
Troll hunter with an overzealous nature