Facebook
Facebook is one of the most popular social networking sites. Facebook allows users to create a profile, add friends and share photos. Posts appear on Facebook's timeline, where friends can view, like, comment and share them. In addition to the website, Facebook can also be used through the official Facebook app.
The fact that Facebook is so popular with the general public also makes the site an interesting marketing channel for businesses. They can create their own page and share posts with their fans here. Facebook also offers various advertising opportunities for businesses.