There have been loads of modifications on Facebook and some of it is making it easier to use in the classroom. Facebook is the most actively social network and its popularity means it can be used as a useful resource in the classroom. It can be used as an information database, and allow students to ask questions and gather information. Facebook also have learning games that students can benefit from. The list of activities and features for students on Facebook is truly endless.
Here is an interesting video on how Facebook has benefited a school in the UK.