EVERY website has the ability to track certain basic data about you when you visit, such as time and date, your IP address (and therefore general location), and third-party referrer data (meaning how you got there from here). For the majority of websites, this information is merely passively collected and rarely, if ever, used.
If you’ve ever had experience with Google Analytics, you know that this data-tracking can be expanded much further, to include your computer’s operating system, type of browser, what you looked at on the site, where you went when you left the site, and so on. Many businesses (ostensibly) use this expanded information set to improve your user experience when you visit their site.
But you might be surprised to learn exactly how MUCH data is collected about you when you go to the 5 biggest (and most-visited) technology company sites on the ‘Net: Google, Facebook, Apple, Amazon, and Yahoo. Check out the infographic below to see what’s collected, and what that information is actually being used for. And remember, in most cases you provide, or allow, this information to be collected…
Article source: VentureBeat Infographic source: Baynet