Ever wondered where the power symbol came from? It’s more than just a button—it’s the result of decades of evolving technology. Originally, devices were marked with on and off. Then came the “|” for on and “O” for off—representing closed and open circuits. In 1973, the International Electrotechnical Commission (IEC) combined these into the symbol we all recognise today. First known as “standby,” it eventually became the universal sign for power. Watch how this simple icon evolved into something

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