21:12:39  -  @MarquisdeGeek Or why, for that matter, is a phone number always necessary?

 21:12:12  -  We can send tweets from the #iss but still have issues with spaces in phone numbers, on websites. #technology #fail #firstworldproblems

 19:35:16  -  We can send tweets from the #iss but still have to turn phones off on planes. #technology #fail #firstworldproblems

 19:33:55  -  @oachkatzl No worries - will use it to guilt trip you into staying longer next time :)