The mobile advertising market could be worth more than $2.5 billion per month or more than $30 billion per year, according to a new, detailed analysis of average revenues per mobile user by Nielsen's Roger Entner. The giants of the computing and Internet world have provided the mobile advertising ecosphere the legitimacy it was looking for through the acquisitions of AdMob by Google and Quattro Wireless by Apple, and the subsequent launch of iAd. But now, Entner argues, we need a better understanding of the revenue opportunities. Check out Entner's comparison of ARPUs of AT&T Mobility (NYSE: T), Verizon Wireless (NASDAQ: VZ) and Google. Commentary
