The news is all a twitter (pun intended) about what Facebook is doing with your data. It’s helpful to remember that with these apps you are the PRODUCT, not the consumer. However, you still have some say in what information is available for them to sell.
Check out this great article from iMore.com below for great info on taking control of your Facebook:
And from the folks at 9to5mac.com is an article on tweaking your privacy or getting rid of your account:
Or you can just let us show you how!