Facebook

Facebook is a social media and social networking service owned by the American technology conglomerate Meta Platforms. Launched in 2004 by Mark Zuckerberg and fellow Harvard University students, it enables billions of users to connect with friends, family, and communities across the globe. 

Core functions 

• User profiles: Individuals can create profiles that include personal information, photos, videos, and status updates.
• News Feed: This continuously updated stream on the homepage displays posts from a user's friends, followed pages, and groups, as well as suggested content and ads.
• Connectivity: Users can send "friend requests" to connect with people they know or meet online.
• Messaging: The platform includes Facebook Messenger, a standalone app and a built-in chat function for real-time private messages, voice calls, and video calls.
• Reactions: The "like" button and other reaction emojis (
  

  $Love$
  ,
  

  $Haha$
  ,
  

  $Wow$
  ,
  

  $Sad$
  , and
  

  $Angry$
  ) allow users to express their feelings about posts and comments. 

Key features 

• Marketplace: A platform for users to buy and sell goods and services locally.
• Groups: Spaces for users with shared interests, hobbies, or causes to interact and share information.
• Pages: Official profiles for businesses, brands, and public figures to connect with followers.
• Events: A tool for organizing and inviting people to social gatherings.
• Video: The platform supports video uploads, including the ability to live-stream using Facebook Live.