Man scores high-tech Obama autograph on iPad

(CNN) - Sylvester Cann didn't think it would work. But he figured it was worth a try.

And, lo and behold, where others seeking President Barack Obama's signature with a pen and paper had failed, Cann &.65279;obtained the commander in chief's autograph on his iPad, in what's believed to be the first instance of the president signing an iPad for an autograph-seeker.

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