is a video social network for creating, sharing, and discovering short videos. Merged with TikTok as of 2018.

Founded in 2014, by creator Alex Zhu and longtime friend, Luyu Yang, is a video social network for creating, sharing and discovering short videos. Every day, millions of teens use as an outlet to express themselves through singing, dancing, comedy, and lip-syncing. The app celebrates creativity with videos recorded in 15 seconds or less that are shared across the community. More than half of U.S. teens are users of Since first being made available in October 2014, has hit #1 in the iOS App Store for free apps in 20 countries - including the United States.

In 2017 was acquired by ByteDance subsidiary Toutiao, and in 2018 was merged into ByteDance subsidiary TikTok.

Founders :  Alex (June) Zhu, Luyu Yang