OneBeep offers one-way connectivity to remote communities

In true Wikinomics spirit, every year Microsoft's Imagine Cup challenges students around the world to dream up  new ways to use technology to solve some of the planet's toughest problems. Participation in the contest has soared from less than 1,000 student competitors when the competition began in 2003 to more than 325,000 students in 2010.

All of the winners from this year's competition display tremendous creativity, but one of my favorites is the OneBeep software program from New Zealand...