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The dark magnetic strip on the backside of a credit card stores data in much the same way as a computer’s hard drive does. Vacuum cleaners, blenders and washing machines all have electric motors that work by magnetic principles. You’ll find magnets in phones, door bells, shower curtain weights and children's toys.

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In recycling, electrically-powered magnets in cranes grab and move large pieces of metal, some weighing thousands of pounds. Mines use magnetic sorting machines to separate useful metallic ores from crushed rock. In food processing, magnets remove small metal bits from grains and other food.

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Many computers use magnets to store data on hard drives. Magnets alter the direction of a magnetic material on a hard disk in segments that then represent computer data. Later, computers read the direction of each segment of magnetic material to "read" the data.

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Generators use magnets to turn mechanical energy into electrical energy to power just about everything that runs on electricity. The magnet repels and attracts the metal in the center which turns gears and sends the charge to the battery or the wire.

https://science.howstuffworks.com/electricity3.htm

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Magnets are used in medicine to help doctors figure out how they need to help a patient without having to cut into them to look. The MRI uses some super strong magnets to scan a person and the pictures come out really sharp and enables the computer to put together a 3D model. Doctors can then look for abnormalities without injuring or putting the patient in harm's way.
https://www.slocumcenter.com/magnetic-resonance-imaging-mri