We got more than 600 applications and read every one. (Happy birthday, by the way, to the three people who mentioned it was their birthday, and kudos to the two people who came up with the very best answer about invisibility).
If you're reading this, it's probably because your application wasn't one of these twelve:
I wish I could have picked a hundred (probably including yours, in fact). Unfortunately, this is an admittedly blunt instrument of selection, and we certainly missed out on some great people. I'm sorry we couldn't spend time together, but judging from what I've read, you're already doing great things. Thanks again.