Over at Twitter, they like metaphors that involve birds. Maybe a little too much. So here's one for them: Right now, according to a couple of in-depth reports about Twitter's past and present executive structure, the whole company sure looks like a flock of birds that can't quite tell which among them is the leader. And as a result, they're all crashing into one another.

Called "First Orbit", this YouTube-exclusive movie combines new footage shot entirely from the International Space Station with the experiences of Yuri Gagarin, the first man in space...