Information that can be passed to and used by Facebook Applications

Facebook has lots of applications that you can sign up to, these include quizes and mini games such as Farmville. When you add these applications you are warned that the application will want to use some of your information including information about your friends and in order to carry on you need to click on a button to confirm that you accept this. You can however, control what information you allow the application to use and also what information you allow your friends to share as well.