Exactly - knowing the content of each webpage is pretty easy if you're "big brother" surveilling millions of people, even more so if you have a Chrome extension

Exactly - knowing the content of each webpage is pretty easy if you're "big brother" surveilling millions of people, even more so if you have a Chrome extension to help. It's "little brother" that benefits a lot here: bosses, spouses, parents, etc., who otherwise wouldn't click on 1000 links in your history.