Stewart's Sanity Rally Biggest Foursquare Event Ever

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Jon Stewart's Rally for Sanity generated the most check-ins in Foursquare's short history, the company confirmed with me today.

The total number of check-ins topped 25,000. I'm not sure if that number is impressive or not, given that it seemed like every young person in DC was was walking in the direction of the Mall on Saturday. On the other hand, cell phone service was truly abysmal that day, so imagine how many people might have checked in if they'd been able to get their phones to work.

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Alexis C. Madrigal

Alexis Madrigal is the deputy editor of TheAtlantic.com. He's the author of Powering the Dream: The History and Promise of Green Technology. More

The New York Observer has called Madrigal "for all intents and purposes, the perfect modern reporter." He co-founded Longshot magazine, a high-speed media experiment that garnered attention from The New York Times, The Wall Street Journal, and the BBC. While at Wired.com, he built Wired Science into one of the most popular blogs in the world. The site was nominated for best magazine blog by the MPA and best science website in the 2009 Webby Awards. He also co-founded Haiti ReWired, a groundbreaking community dedicated to the discussion of technology, infrastructure, and the future of Haiti.

He's spoken at Stanford, CalTech, Berkeley, SXSW, E3, and the National Renewable Energy Laboratory, and his writing was anthologized in Best Technology Writing 2010 (Yale University Press).

Madrigal is a visiting scholar at the University of California at Berkeley's Office for the History of Science and Technology. Born in Mexico City, he grew up in the exurbs north of Portland, Oregon, and now lives in Oakland.

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