![PopTech Audio: PopCasts show](https://d3dthqtvwic6y7.cloudfront.net/podcast-covers/000/053/095/small/poptech-audio-popcasts.jpg)
Summary: <p><a href="http://poptech.org/nathan_eagle">Nathan Eagle</a> is harnessing mobile phone data in emerging markets. He’s launched txteagle, a program that enables the under-employed to earn money or phone credits by performing tasks on their cell phones. Through partnerships with over 220 mobile phone operators, txteagle is active in nearly 100 countries.</p>