This document lists and briefly describes popular social media platforms: Facebook allows users to connect with friends and share content; Twitter is a microblogging platform where users post short messages and follow others; YouTube is a video sharing platform where users can upload and watch various types of videos. It also describes Instagram as a photo and video sharing app, WhatsApp as a messaging app, LinkedIn as a professional networking platform, Snapchat as an ephemeral media sharing app, Tik Tok as a music-based video sharing app, Telegram as an encrypted messaging app, and Sharechat as an Indian social media platform.