I would use this as a fun alternative to writing a report about a historical figure. Not only does it include basic information about the person, but it can include interactions between important figures as well.
Novel Character Facebook Activity
I thought that Facebook was on the way out with my students, but it showed a resurgence this last year. My students loved coming up with a Facebook profile for their chosen story characters. I had my students do a profile for both a protagonist and an antagonist and we displayed them side by side.
Awesome use of technology and social media in your classroom!