La publicitat surt més cara si és georeferenciada <a href="http://gigaom.com/2011/11/02/mobile-advertisers-paying-4x-more-for-location-based-impressions/">http://gigaom.com/2011/11/02/mobile-advertisers-paying-4x-more-for-location-based-impressions/</a><br>
<br>Raf<br>