So your kid is spending too much time on TikTok?

In 2018, TikTok said it hit more than half a billion active users worldwide just a year after its launch, making it the fastest-growing platform that isn't owned by Facebook. — dpa

If your child is old enough to have a smartphone, chances are good that he or she also uses – or at least wants to download – TikTok, a video-sharing app based on one simple rule: Posts have to be under 15 seconds long.

In 2018, the social media platform beloved by teens around the world said it hit more than half a billion active users worldwide, making it the fastest-growing platform that isn't owned by Facebook.