Facebook is one of the most popular social networks in the Internet. Millions of people connect everyday and share their thoughts and ideas. We found an interesting list with the groups that have reached at least 1 million members. If you want to be part of a group with millions of members, check out this selection.
For example, two of the most popular groups in Facebook area about forming the largest group in Facebook. If you want to be part of a record breaking group you can sign in. You can also sign in a brand group, focused on sharing and promoting certain products of a brand.