According to Pew Research, the average US mobile consumer is using 230MB of data per month up 50% from last year.

More specifically, they determined that 76% use their cell phones to take pictures, 72% to send and receive texts, 38% to access the Internet, but only 29% frequently use an app. In fact, even video recording (34%) and music playback (33%) rank higher on the list indicating that applications still have significant inroads to make.

Micro-investment strategy: focus on applications as its the least mature

** Chas Edwards also recently tweeted that "Mobile will comprise 2/3 of total online ad spend by 2015" - which, if accurate, is HUGE... and more than justifies Google's acquisition of Admob for $750M