Facebook is about to float to the tune of over $100bnl, but do you trust Facebook to play fair or not be evil with your data. Soon the gigantic warehouse of your data will have billions to play with and that means more ways of making your information generate a return. Whats more the investors will demand it. So what will the Zuck do with your data? Many users are getting nervous about the uses that Facebook might come up with for their data. But should you be worried?