TikTok is a social media app that allows users to create short videos that are then uploaded to the app. It has become popular among teenagers and young adults, especially because it offers a platform for self-expression. While there are not many limitations on what content one can post, the most popular content is things like dance routines, coverage of events, or personal anecdotes. My suggestion for this app would be to feature more tutorials on how to do different dances or makeup techniques.