KANSAS CITY, Mo.-Step aside, Instagram, TikTok has taken the floor as teenagers' second favorite social media app to the tune of 29 percent of teens choosing it as their favorite compared to 34 percent who chose Snapchat as their top pick. Instagram rates third in favorites with 25 percent.
And TikTok continues to gain market share among young North American users, which is a key demographic for social apps and advertisers.
TikTok is a video-sharing social networking service owned by Chinese company ByteDance. Users can post short videos from three seconds to one minute long. Released in 2016...