The TikTok social media platform is largely credited with popularizing short-form videos. With over 1 billion active users worldwide, it has quickly become one of the most popular apps among Gen Z and millennials. Chinese company ByteDance owns the platform, and Shou Zi Chew serves as its CEO. TikTok faces competition from other social media giants such as Instagram, Snapchat and YouTube. Our coverage of the platform includes the company’s spending-heavy foray into e-commerce.