Facebook has announced it is updating its data policy, with the new terms going into effect on Jan. 30, 2015. If you want to know what data Facebook gathers, take a look at www.facebook.com/about/privacy/update. This Data Policy provides some interesting information that you may not know, such as the fact that if Facebook is used to make a purchase in a game or to make a donation to a cause, your credit or debit card information can be stored and your location can be tracked.