Jon Cowart @Rocky_Sci, orbiter engineering manager, Space Shuttle Program, interacts with Tweetup participant, Jen Vargas, @jenvargus, as he speaks to participants at the two-day STS-132 Launch Tweetup at Kennedy Space Center, Thursday, May 13, 2010, in Cape Canaveral, Fla. NASA Twitter followers in attendance will have the opportunity to take a tour of NASA's Kennedy Space Center, view the space shuttle launch and speak with shuttle technicians, engineers, astronauts and managers. Photo Credit: (NASA/Paul E. Alers)