Social media influencers have enormous power to set trends, create overnight sensations and broadly define what’s cool. Josh Richards, a 19-year-old determined to be the world’s first influencer billionaire, isn’t shy about flexing that clout.Social media influencers have enormous power to set trends, create overnight sensations and broadly define what’s cool. Josh Richards, a 19-year-old determined to be the world’s first influencer billionaire, isn’t shy about flexing that clout.