robertogreco + messaging + mobile + digitalgraffiti   1

BlockChalk
"BlockChalk is the voice of your neighborhood. Use it to talk to anyone, about anything.

It's anonymous, there's no sign-up and nothing to install (it runs entirely in your iPhone's browser). You can read more about it on our blog."
iphone  local  location  gps  hyperlocal  geolocation  digitalgraffiti  location-based  community  mobile  messaging  sandiego  ios  applications 
august 2009 by robertogreco

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