A true landmark in Twitter PR: Astronaut Mike Massimino has delivered two tweets from space back to all of us on planet Earth. He's not floating in a tin can, though; he's getting ready to work on the Hubble Space Telescope.
18 hours ago: "Launch was awesome!! I am feeling great, working hard, & enjoying the magnificent views, the adventure of a lifetime has begun!"
43 minutes ago: "Getting more accustomed to living in space today and getting ready for our big rendezvous with hubble"
That is all.