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Howdy folks! Hello is a simple app that helps people make friends and have more fun at conferences. What does it do? The idea is fairly simple: When you arrive at the conference, simply say which seat you're sitting in, via Twitter. You can then browse the rest of the audience and see else is sitting around you, what their interest are, and whether you have anything in common. You can also search the audience for specific names or skillset (php, designer, marketer, etc).