The most interesting session I attended at Bett 2014 was to hear Stephen Heppell speak in the main arena. Stephen was on top form as usual, and in his avuncular style managed to engage 800 or so delegates effortlessly for 30 minutes. He showcased some of his latest ideas for educational innovation using technology, under the banner of 'Big Data'. Much of his talk, thankfully, has less to do with Big Data, and more to do with how kids can use their devices to capture the data and use it to better understand the world around them.