Els mapes en paper van desapareixent <a href="http://www.npr.org/2012/07/03/156181268/gps-apps-make-paper-maps-harder-to-find?ft=1&f=1001&sc=tw">www.npr.org/2012/07/03/156181268/gps-apps-make-paper-maps-harder-to-find?ft=1&f=1001&sc=tw</a><br>
<br>Raf<br>