FILE - In this 1964 file photo provided by AT&T, a Picturephone is demonstrated at the AT&T Pavilion at the 1964 World's Fair in the Queens borough of New York. The Picturephone itself may have never caught on, but the concept endures in technology such as SKYPE. The New York World’s Fair that opened in April 1964 introduced the 51 million visitors to a range of technological innovations and predictions for how the future would look. (AP Photo/AT&T, File)
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