Founders at Work – Who’s Missing?

I just finished reading Jessica Livingston’s Founders at Work, which I found very interesting, and valuable in terms of information on startups. Unlike a lot of businessy books, since the whole thing is interviews, there isn’t really any “filler”. One thing I think might have been more interesting in some ways is to have some more information on failed startups and what went wrong, but it’s probably more difficult to research that.

My question to the world, though, is this:

Who (or what startup?) would you have liked to see interviewed?

It would have been interesting to see Dave Sifry, both because I know him from my time at Linuxcare, but also because he went through a couple companies before the stars aligned with Technorati, which seems to be doing pretty well.