Digital entertainment giant Sony and the non-profit World Wide Fund for Nature (WWF) put one simple question onto the web in September 2010: “How can today’s technology help us to make the most of our planet’s resources?” It was the kick-off for their initiative called Open Planet Ideas (OPI). Participants from nearly 200 countries joined the journey to find an answer. In doing so, they identified more than 300 challenges our world faces at the moment. For instance, how do we turn our behaviours less resource-intensive? And how to turn waste into something useful?