How does google know what websites I am visiting?
I recently signed up for a lot of dating websites, including Plenty of fish. Now, whenever I visit some website (like techcrunch) with google ads on it, I get this advertisement:
The question is,
How the heck does google know that I have used POF? This is outright creepy. I don't have google toolbar or any of those things turned on, so there has to be something that google is doing.