Cell phones, smart phones, netbooks, eBooks, GPS devices, iPads and even Nintendo DSi. The mobile network is growing like a house afire and the variety of devices with internet access is only growing as well. So are the bandwidth demands with more people watching streaming video, for example, on the little screen.

What's not growing, fast enough, is capacity or room on the spectrum.

A sobering report sponsored by Research In Motion (RIM, Blackberry's parent company) and presented at the Mobile World Congress this week warns its all going to hit the fan in 2013 when demand exceeds supply.

I wonder what those red and blue maps will look like then?