The young must shout if they want to be heard. In a stone hangar in the old port of Jaffa, 30 entrepreneurs have five minutes each to present their start-up companies to a panel of digital luminaries and an audience that includes potential investors. Not everyone in the room is ready to shut up and listen, so the hopefuls must battle against the din. Feng-Gui explains how, by simulating human vision, it can tell advertisers and designers which areas of a web page are most likely to grab people's attention. Copyv promises to send large files quickly and securely. With Fooducate, "a dietician in your pocket", on your smart-phone, you can scan bar codes in the supermarket and find out what's really going into your trolley.
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