Nat was in town, and he stopped by to say hi and chat, and he said, "So we've got this big pile of code we're going to release, and we're going to build an open source groupware system! It's going to be awesome!"
And I said, "Jesus Mother of Fuck, what are you thinking! Do not strap the 'Groupware' albatross around your neck! That's what killed Netscape, are you insane?" He looked at me like I'd just kicked his puppy.