When will mobile ad revenue reflect time spent?

Two years ago the buzz was that mobile was the next big thing, and now that consumers are moving to tablets and smartphones, the moment has arrived.

• Nielsen says that 50.4% of mobile users now have a smartphone.
• More than two-thirds of those in the 25-34 age group have a smartphone. The report is here.

This slide from Mary Meeker of Morgan Stanley shows
the opportunity for mobile advertising. Although consumers spend
10% of their time with media on mobile platforms, mobile
is getting only 1% of the ad revenue, a $20 billion opportunity.