Geotagging

An announcement last week indicates that Wikipedia will become the newest player in the increasingly competitive effort to connect virtual information with physical places.
Feb 5, 2013   The Atlantic Cities
John Pavlus reports on Eric Fischer's use of Twitter's geotagging feature to map the most highly trafficked thoroughfares in several cities. The results are fascinating, and beautiful.
Jan 25, 2012   Fast Company Co.Design
Gigaom looks at a handful of "augmented reality" apps, both current and projected, that create an interface between the internet and the world around us.
Feb 3, 2010   Gigaom