PaPa is a social media app founded in 2012 by Chaojun Xu, the former CEO of a Chinese entertainment company. It allows users to share 60 second audio recordings and comment via voice and text. Within 6 days, it had over 10,000 downloads and became a trend among celebrities in China. Currently it has over 1,000,000 users and 3,000,000 followers. Initially intended as a non-profit social service, it later monetized through advertisements. Key features include finding nearby users, photo sharing to Weibo, and discussing topics of common interest.