Geeky Celebrity Tweets

This week, the Twitterverse was abuzz about the first presidential debate, Curiosity's first mission on Mars, hardcore gaming, and more. We've rounded up our favorite tweets from some of our favorite geeks in technology, entertainment, and science, including Mars Curiosity flight director Bobak "Mohawk Guy" Ferdowsi, The Guild star Felicia Day, and Tekzilla host Veronica Belmont. Here are the top 10 geeky messages under 140 characters from the week of Sept. 28 to Oct. 5.