from The Chronicle of Philanthropy:

Rethinking How to Calculate Mobile-Giving’s Benefits

… Ten days after the Haiti earthquake, text-message donations accounted for more than $30-million, or 14 percent of all donations raised.

Yet the strategy can have its drawbacks. While mobile giving can be an inexpensive way to reach the more than 260 million wireless subscribers around the country, questions remain about its effectiveness and reliability as a long-term fund-raising tool.