Jacob Sartorius, age 15, spends more time than most teenagers staring into his phone’s selfie camera. He uses the app Musical.ly to record himself mouthing the words to songs — drawing hearts with his hands and smizing — and shares the video with his 18.9 million followers.

Musical.ly is the social media platform of choice for Generation Z. The app launched in 2014 and has racked up an impressive 215 million users (or “musers,” as they’re known). Teens post 15-second clips of themselves lip-syncing, dancing to popular music, and pulling stunts.

More than 150 million people, mostly teens, have registered for the service, and its growth has caused others to take note.

On Thursday, Chinese social media giant Toutiao announced that it had purchased Musical.ly in a deal valued up to $1 billion, according to TechCrunch.

I talked with a handful of middle schoolers for Musical.ly tips and entered the mysterious world of teen-tech to see what the buzz is about. Here are the basics.

SEE ALSO: Generation Z is creating a $5 billion market for fake meat and seafood

When you open the Musical.ly app, it defaults to a feed of featured videos.

These are often the coolest, most liked videos of the day. The Featured feed is also a good place to find inspiration.

Users, or “musers,” include the hashtag #featureme in their posts to help their chances of being discovered by the app’s curators.

The Follow tab shows you videos from the musers you follow.

A majority of teens I talked to said they prefer the Follow tab to Featured. Here, they can easily see what content comes from their friends, as opposed to strangers on the internet.

Being at least 10 years older than most musers, I don’t have many friends on the app, so I mostly followed Read More Here