Users will no longer have to click on a result to choose it, but instead scroll up and down and hit enter to choose the desired entry.

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On Travelocity, enter your origin and destination and hit search.

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John Coughlin and Officer Vincent Danz were all part of the NYPD Emergency Service Unit and were among the first to enter the buildings after they were hit by hijacked jetliners.

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Beyond the danger of getting hit, "particles of dirt or debris can enter the eyes, ears, and nose, causing injury or infection, " says Hammer.

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Only a small percentage of drugs that enter trials work, and it can be just about impossible to predict which ones will hit early on when the key investments have to be made.

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If there's one saving grace, though, it's that the Enter, Backspace and Shift keys are pretty oversized, so it's at least easy to hit those buttons square on the nose.

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Even with that island-style arrangement, there aren't many undersized buttons here -- the Enter, Shift, Backspace and Caps Lock keys are all full-sized, and easy to hit without looking away from the screen.

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