Write up can be found here: www.stuartgleave.com/blog/?p=376

One of the entries in the "make your own MECO" contest.

Armored Personell Carriers used for the Astronauts

Since it was just a simulation, the Mission Control Center guys changed one of the screens to welcome the Tweetup crowd.

SVMF - Space Vehicle Mockup Facility

Posted by twitter.com/katrobison

Steve Levin, project scientist for the Juno mission talking at #NASAJuno #NASATweetup

There is indeed a high concentration of nerd power at this event.

entering the tweetup tent

SAMSUNG

Nicole is very happy :)

Zoomed in on Atlantis from our viewing site.

Welcoming us to the Tweetup

Bill Nye the Science Guy

Live video of the EVA was shown on the centre screen. On the left were mission parameters, while the right-hand screen displayed the message "NASA tweeters - Welcome to Mission Control - Johnson Space Center, Houston, Tx"