@couch If we’re throwing around uneducated guesses: within 500m via towers, 100m via wifi, 20m via gps.
June 6th, 2011 at 7:19 p.m.
I'm M. Jackson Wilkinson, a technologist, designer, speaker, educator, and writer in San Francisco. I'm the CEO and Founder of WeSprout, which is coming soon. I'm from Philadelphia, went to Bowdoin College in Maine, root for the Phillies, and love to sing.