TikTok is a video streaming app that allows users to create and share short videos. Users can create accounts by downloading the app and entering their birthdate. The app has grown significantly with over 800% growth after a merger. It features include video sharing, liking/commenting on videos, following other users, using filters and effects, dueting/stitching with other videos, and creating advertisements through their business platform. Analytics and more advanced features require an upgraded pro account.