Focus on people and social networking.
These type of fictional facebook pages are common in young adult literature.
If you want to use a system other than Facebook to create a fake profile for a class, go to MyFakeWall. Check out Cinderella and Franklin D. Roosevelt.
You can also use Google Docs Templates. Check out the Historical Facebook Lesson by Derrick Waddell.''
Use a tool like Edmodo for a closed environment for exploring social networks and profiles.