i have hears of this before. they track what you like so when you are on other websites it shows you advertisements that interest you. its all about the advertisement.
This searchable database allows you to look at archived webpages. Look at Google, Facebook, and many more throughout their internet history. Super cool, and possibly beneficial for final projects?
Before Facebook and Google became the megaliths of the web, the most famous online adage was, "on the internet, no one knows you're a dog". It seems the days when people were allowed to be dogs is coming to a close.
Socialbakers is the most popular provider of social media analytic tools, statistics and metrics for Facebook, Twitter, Google Plus, YouTube and LinkedIn.