http://www.nma.tv More than 500 million people use Facebook every day. However, most were annoyed by recent changes that further cluttered the user interface. The backlash has been fierce. But no matter how disgruntled, users find it hard to leave Facebook because all their friends are there. At the recent F8 developers' conference, Mark Zuckerberg announced even more ambitious changes, including tighter integration with third party apps. Another big change is the re-vamp of the profile into a timeline. It pulls all your media and updates into one place. Zuck also urged developers to demand permission to publish everything from users as a condition for using apps. Where is it all going to lead?