Main capabilitiesīefore using any official Facebook application, you need to sign up for a Facebook account on the platform’s official website. You can also communicate with other users outside when you join common-interest groups, fan pages, and Facebook’s official buy-and-sell community. To do this, Facebook allows its users to share status updates, images and other multimedia content to people they have added to their Facebook friends list. with the goal to bring people from all over the world closer together and to give users the tools to build an online community. The platform was developed by Facebook, Inc. Facebook is a social media and social networking service that can be accessed from internet-enabled computers, tablets, and mobile phones.