Well, to keep a picture or a report card, regular letter and all that stuff on a fridge
One of the most common use for magnets is on cupboard doors to hold them closed you will also find magnets in lots of electrical devices because they are a main component in speakers of all sizes even the tiny ones used in phones. I could go on and on but you only asked for one and I gave you two.
electric motors
a pen
Separation out of ferromagnetic objects for recycling out of rubbish for landfill.
Sticking things on refrigerators, some toys have magnets, there are magnets in computers and in TVs, certain doors have magnets, and most electronics have magnets.
Exposure to high temperatures can cause magnets to lose their magnetization and become demagnetized.
memory
I remember in the early 1970's, The Way was the name of a new version of The Bible which attempted to make the Bible easier to understand and to apply to one's everyday life.
Wooly Willy was one
only one... but there are difrent shapes...
Virtualization can be used many different ways in everyday life. Those who use hypothetical situations in their work would use this everyday.
For such a broad question, magnets may be used for many situations and are popular assistants to people for everyday managements. One obvious example involves the refrigerator: Magnets are used for holding up pictures, lists, advertisements, and other personal visuals onto the fridge.