This list seems like an odd mix of pandering, genuinely exciting companies, and companies that did something interesting years ago and rank for still existing.
YC is pretty remarkable and it starts at the top with PG. I also feel YC wouldn't be what it is today without HN as it extends the YC community just enough to make a huge difference... setting itself apart from the other accelerators. Congrats to all involved.
My repost from FC.<p>Congrats and Thank you Paul - for helping out the passionate inventors push their ideas to the next level - what Paul has done to the startup community in the Bay Area, is what Jim Harbaugh did to the bay area for football :)