It enables human to exchange a bunch of information by innate ability: read, memorize, talk, and write.
It integrates online and offline worlds.
How it works? Examples:
* GGS: could represent a garage sales with location and on sales details
* 338: could represent a listing property with location and estate specifications
* SEAcafe: could represent a restaurant in Seattle with location and its menu.
* DavidDay: could represent David's birthday party location and details.