People also need to realize that Y Combinator is really just a monetization of Paul Grahams blog that he has worked very hard at for over a decade. There haven

People also need to realize that Y Combinator is really just a monetization of Paul Grahams blog that he has worked very hard at for over a decade. There haven't been any serious companies (or acquisitions) created through YC as yet. What's the most successful YC company? reddit/hackernews -- which is either an extension of Paul's blog or a digg/slashdot clone depending on how you look at it, and either way, a content delivery website. What Y Combinator has been successful at is attracting money to Y Combinator -- in other words, banking on Paul's reputation established through his long-running blog.