SpaceX has been to space, and is the first commercial company to have a spacecraft dock with the International Space Station, which is pretty cool. But they have their sights set higher, and want to send people to Mars. The next step toward that from their unmanned Dragon ship, is the seven-person Crew Dragon, which is scheduled for launch in 2017.
The astronauts on board the ISS know that we love pictures and video of ourselves so much, they spend a lot of time taking pictures of us from up there.
Alexander Gerst was up there for six months, and set up his camera while he was working, to take over 12,000 pictures of the earth.
It was only a matter of time before the Vine thing got to space.
Here it is, for historical purposes: The first ever Vine posted from space! Reid Wiseman is now the first person to ever post a Vine from space. Will this be commemorated with a national holiday or something? Probably not, but it's still one of the cooler things to check out on Vine.