In addition to text-based messages, users can also send photos, animated GIFs and videos to their friends.
Social media is used by companies the world over to attract more visitors and it works.
But most people use social networking to interact with their family and friends to gain knowledge or for entertainment purposes.
The site lets you post questions and let you answer to those questions posted by another member of the site.
Unlike previous SNSs, Facebook was designed to support distinct college networks only.
Most sites also encourage users to upload a profile photo.