The Open Planet Ideas challenge where we asked you how today's technology could be repurposed for environmental or social good is
The results of the open innovation journey is +U, a mobile volunteering application that Sony engineers have made real.
+U, formerly known as Greenbook is a clever idea for an application that matches local people with local projects.
Through using the latest geolocation and gaming technology, it will be designed to make volunteering quicker, easier and more social.
In doing so, it has the potential to bring many new people to volunteering and change our communities and environment for the better.