Smart phones now half of AdMob’s worldwide mobile traffic.  AdMob, which is one of the world’s largests mobile advertising networks, divides its traffic into three categories – smart phones, feature phones, and mobile internet devices.  In February 2010, smartphones contributed 48 percent of the networks traffic, up from 35 percent a year earlier - all data coming from AdMob’s latest Mobile Metrics Report.  For more information, check out:  Smart Phones Half of AdMob’s Traffic