Popular video and livestreaming app TikTok, which has reportedly reached more than 1 billion downloads, is facing some criticism over user security.

To try to make the lip-synching app safer, TikTok launched a new educational video series Wednesday called "You're in Control."

The series puts safety guidelines in videos instead of in text.

In a blog post, TikTok said the videos are meant to entertain as well as educate.

Topics covered by the videos include the site's community guidelines and how to do things like set up a private account, establish screen time limits, enable restricted viewing, and put messaging and comment controls in place.

TikTok's new comment controls let you filter comments by keywords.

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