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In 1906, Punch magazine predicted that people would be able to use “wireless telegraphs” to read sport results, news, or messages while ignoring each other in the park.
In the picture, the man is reading sport news and the woman is receiving an “amatory message”.
"Wireless," of course, is nothing more than radio signals, and your cell phone uses those to make telephone calls, send pictures and messages, access the internet, and even watch video.
Properly understood, a cell phone is simply a walkie-talkie with access to the bandwidth that was once reserved for the military. In short, Punch nailed it!