The million-dollar business around the Creator Economy is booming - and there's no end in sight.  Top content creators have followers in the high single-digit millions - a reach that seems almost inconceivable for media companies. To keep up with the competition, it's a matter of playing by the industry's rules. This means more live formats, more user involvement through interactive tools, and more vertical videos - and a close connection to major social media platforms. Smartphones and mobile editing are replacing complex productions.