The biggest problem is keeping the cell tower aloft.
I think adding Common Short Codes to print advertising is the best option. A user just has to send a text message to get an SMS message with embedded link back to a Web site.
Companies need to look at the MVNO market as a long-term commitment and not expect a positive cash flow for at least three years.
One of the areas where I see a lot of activity is in-building wireless coverage.
