Rich Holdsworth, co-founder and CEO of Wapple, creators of DIDLR spoke at the Guardian Mobile Business Summit 2012 on how developers and publishers can provide experiences that adapt to consumers across every web platform. See a live demonstration of DIDLR on a Windows Phone; showcasing the cross-platform application which is described as ‘Twitter with pictures’ and offers a shareable drawing experience on tablets, smartphones and on desktop. Enjoy!