Teach the controversy...
The Keurig coffee maker has replaced the old Mr. Coffee coffee maker in homes and offices. But many coffee lovers say the brew isn't worth the price. Others don't think the method is sustainable because of the disposable k-cups.
Do you like Keurig? Here's a decent summary of the history of the machine. They've been around for almost 25 years. Kind of shocked to learn that. βπ
https://coffeeaffection.com/who-invented-the-keurig-coffee-machine/