Gusto Co-Founder & CEO @joshuareeves says he's seeing slowing hiring growth at small businesses, while seeing more businesses incorporating overall. "There are two stats we look at quite a bit. There's the state of new businesses being formed and new employers. Then there's the state of hiring across the base of customers." "On the small business hiring front, things have been more depressed over the last few years, and that's continued relative to the last decade. We think there are many…