Dennis Crowley is the co-founder of foursquare, a service that mixes social, locative and gaming elements to encourage people to explore the cities in which they live. Previously, Dennis founded dodgeball.com, one of the first mobile social services in the US, which was acquired by Google in 2005.
He has been named one of the ""Top 35 Innovators Under 35"" by MIT's Technology Review magazine (2005) and has won the ""Fast Money"" bonus round on the TV game show Family Feud (2009). His work has appeared in The New York Times, The Wall Street Journal, Wired, Time Magazine, Newsweek, MTV, Slashdot and NBC. He is currently an Adjunct Professor at NYU's Interactive Telecommunications Program (ITP).
Dennis holds a Master's degree from New York University's Interactive Telecommunications Program and a Bachelor's degree from the Newhouse School at Syracuse University.
" OMG *just* realized that the different chmod combinations are just the 4 + 2 + 1 added together. "