1. Friends list
Say you and a user are friends, you should be able to have a list (Private or Public) so you can quickly find there profile
2. Followers, Following.
Being able to "follow" users.
3. Follow Post
If you want to get notifications of when a post that isn't yours has new content or a comment, you'll get an email.
4. One a account.
Instead of having to sign up for every kidzsearch site, have one username and password.
5. Messages
You can message friends. (no photos allowed thought)
6. Multiple Author Post
The first owner of the post gives another user permission to edit that post.