TikTok a hit

* One of the most popular apps among teenagers at the moment is a short-form video platform called TikTok whch acts as a social network, where users share videos covering a wide range of categories, from lip syncing to comedic skits to viral challenges. The app now has more than 1bn all-time downloads, and its popularity and influence continues to spread. TikTok is the product of a major Chinese company, and has only been on the scene for a few years.