"It had just the right mix of excitement, and explanation of the product, " Robertson says.

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But when it returns on a second day, and there's still no explanation you are trying customers' patience with your product to the limit.

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In an e-mail, Google product manager Prashanth Koppula offers little more in the way of an explanation.

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We could give a detailed textual explanation of said feature, but we'll let Amos Gaynes, product development specialist at Moog, do all of the chatting in the video that follows after the break.

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