We strongly believe that the changes to the permission model for thirdparty applications will give users more confidence in Platform and will, thus, help ensure the longterm health and vitality of the ecosystem that has grown around Platform, said Ethan Be

We will be communicating regularly with developers about the changes and were going to take our time to make sure the outcome is something users understand and that developers have ample time and notice to adapt.Facebook says work on the planned changes will begin immediately, although some of them will take a while to become visible. They have to worry about things like updating and testing the new Facebook API and thirdparty developers reprogramming and testing their own apps. Facebook anticipates the whole process will take about a year.