Jeff Kao and his partners had an idea: a cell phone feature that tracks the amount of pollution one generates by traveling. Google liked it enough to bundle it with their G1 phones, but will people actually use it? This program goes inside the lucrative cell phone application industry by spotlighting Jeff’s company, Ecorio, with help from guest experts Roberta Fox, a telecom consultant for more than 25 years, and John Albright, co-managing partner of BlackBerry Partners Fund, investors in mobile phone applications. Also profiled are millionaires Garner Bornstein and Andy Nulman, founders of Airborne Mobile, successful makers of cell phone content. A part of the series Fortune Hunters 2: Turning Trends into Profits. (20 minutes)