Some brands have advertised themselves so well, that the company name is sometimes used as the product.
I find this very interesting and fun to think about.
For instance, Kleenex. Many people use the word Kleenex for tissues, even though the correct word is tissues.
Another example are Band-aids:
And more:
Occasionally if I’m bored, I’ll think about more examples. Does anyone else have other examples they know of?