Who do startups fear? Y Combinator submissions mention Google, FB, Uber, Airbnb & Slack

Y Combinator, which helped incubate Airbnb Inc. and Instacart Inc., has a reputation for having an application process that’s more exclusive than Harvard University’s. About 6,000 aspiring startups applied to the Silicon Valley business incubator’s summer 2016 class in hopes of being one of the 107 or so to receive a $120,000 investment and access to the group’s well-connected investors and executives.