Wolfram Alpha did. Apparently nobody told them they were launching a website, not a spaceship.

But they would argue that the impact on humanity is greater than sending men in space for science. ;-p

Does anyone else have 500 million users and who knows how many developers in their ecosystem?

Google, Microsoft, Apple . . they all do live events don't they?

I watched for about 20 seconds before getting weirded out. The interviewing 'journalist's' last name was Zuckerberg, which seemed like an odd choice.

That's Mark's sister.