The world in your pocket. Mapmakers are competing for your smartphone

Cita: 

The Economist [2012], "The world in your pocket. Mapmakers are competing for your smartphone", The Economist, London, 27 de octubre, http://www.economist.com/news/special-report/21564999-mapmakers-are-comp...

Fuente: 
The Economist
Fecha de publicación: 
Sábado, Octubre 27, 2012