Once you’ve cleared your Google Web History, per the previous post, you should add an extension or to (like ScriptNo and AdBlock to your Chrome Browser (please tell me you’re not still using Internet Explorer).
You can also permanently opt out of online ad personalization via cookies for over 150 tracking companies with Keep MORE Opt Outs, which builds on the earlier extension “Keep My Opt Outs”, but covers almost three times as many tracking companies.
Oh and then there’s Facebook Disconnect, which prevents the social networking site from tracking you when you’re on other websites.
I could, of course, go on, there are many more options for regaining at least superficial privacy. The best option if you’re really worried is simply to unplug that router and take the battery out of your cell phone. And, move to a hermitage on another planet, but don’t buy your spaceship from NASA, or the Russians, or Greece…