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The very first cell phone, invented over 50 years ago in 1973, could only last 30 minutes — and needed 10 hours to recharge. 👉 Subscribe for more surprising TechFacts about the history of technology! Image Credits: * Martin Cooper at Computex 2007 by Danamania (CC-BY-SA-3.0) https://commons.wikimedia.org/wiki/File:2007Computex_e21Forum ...
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