Cellphone turned 40 yesterday!

English: Dr. Martin Cooper, the inventor of th...
English: Dr. Martin Cooper, the inventor of the cell phone, with DynaTAC prototype from 1973 (in the year 2007). Deutsch: Martin Cooper mit einem etwas größeren DynaTAC-Prototypen von 1973 (im Jahr 2007) ‪中文(繁體)‬: 馬汀庫柏博士,全世界第一隻商用手機的發明人。 (Photo credit: Wikipedia)



On April 3, 1973 — exactly 40 years and one day from today — Motorola employee Marty Cooper made the first mobile phone call.

The device weighed 2.5 pounds and only had a one-line, text-only LED display — it cost a whopping $3,
995.

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