A rash of new start-ups are making it easier for digital creators to monetize every aspect of their life — down to what they eat, who they hang out with and who they respond to on TikTok. Tens of millions of people around the globe consider themselves creators, and the creator economy represents the “fastest-growing type of small business,” according to a 2020 report by the venture capital firm SignalFire. But as the market gets more and more competitive — and the platforms and their algorithms remain unreliable — creators are devising new, hyper-specific revenue streams.