Twitch, the popular game-streaming site, has a funding problem. Not related to the company — it's owned by Amazon and is just fine — but its streamers. Like on other video platforms, creators are paid ...

Raise your hand if a spectator gave you a boost during a race—if a funny sign made you smile, an ice pop saved your soul at mile 20, a stranger’s high five put more oomph in your steps. Now, keep it ...