Small Data: Secret App (How Two Ex-Googlers Turned A Crappy Messaging Service Into A $1... - 2 views
http://www.fastcodesign.com/3033073/innovation-by-design/how-two-ex-googlers-turned-a-crappy-messaging-service-into-a-100m-app?partner=rss&utm_source=feedburner&utm_medium=feed&utm_campaign=feedbur...