Last week's Facebook IPO has many users questioning why the social network can make so much money off of their user data.

Facebook announced this week that it'll open its books and sell its shares to the public. What does this mean for Facebook's 800 million users?

China is a huge potential market for Facebook but to get in the company may have to modify its uncensored software.

As part of the required government filing that goes along with an initial public offering, the social networking giant had to expose a lot about itself.