Twitter Updates for 2012-09-20

  • Congrats! RT @HLMorgan: Philadelphia – a great place for startups http://t.co/w53l8lEV so @Firstround has moved into town. #
  • How big is Foursquare? MT @dens: 25m users, 1m merchants, 5m checkins/day, 2.5b checkins total #