TikTok's ad-fueled popularity could wane unless it can add new features, court influencers, please regulators, and curtail the rate that new users abandon it (Casey Newton/The Interface)

Casey Newton / The Interface:
TikTok's ad-fueled popularity could wane unless it can add new features, court influencers, please regulators, and curtail the rate that new users abandon it  —  With Facebook under antitrust scrutiny around the world, the company is spending more time making the case that it is beset on all sides by competitors.