1) Improve/simplify photo uploading functionality. Users should be able to browse/select multiple photo and upload once.

2) Users ability to create photo categories/album (private and public). Same with video and music.

3) Automatic email notification when user's friend receives comments, added new photos, blogs, forum or any updates, etc.

4) Improve "invite a friend" link/module.

5) User's activity/reward points system.