Facebook's Study program pays for information about the apps you use

Facebook says that the information it collects will include:
- Apps you’ve installed on your phone.
- How much time you’ve spend on each app.
- The country you live in, the device you use and the type of network your phone runs on.
- App features that you employ.
The Study app will not collect user ID’s, passwords, or content stored on your phone. The information is not sold to third parties, used to serve optimized ads, or added to a user’s Facebook account if they have one.
“Approaching market research in a responsible way is really important. Transparency and handling people’s information responsibly have guided how we’ve built Study from Facebook. We plan to take this same approach going forward with other market research projects that help us understand how people use different products and services.”-Facebook
While Facebook doesn’t say how much it will pay you for this data, it does say that participants will earn money for sharing how they use apps.