Chinese online education platform Yuanfudao is now valued at $3 billion. The Beijing-based company currently has 200 million users, including 2 million paid subscribers. Among Yuanfudao's products is a free app powered by artificial intelligence (AI), which allows parents to check their children's arithmetic homework by snapping a photograph and then comparing the data to information in the database. Yuanfudao now checks or corrects up to 70 million math problems per day. IDG Capital, which first invested in the firm in 2012, recently joined Yuanfudao's Series F round.

Norway-based web browser Opera announced it will offer customers a virtual private network (VPN) service as part of its Android browser app. The new feature, once marketed independently by Opera, will enable users to choose virtual locations to link to the web. Opera first went public on Nasdaq in 2018, raising $115 million. IDG Capital joined the company's pre-IPO financing round.