CNN Underscored Follow CNN Underscored CNN Underscored is your guide to the everyday products and services that help you live a smarter, simpler and more fulfilling life. The content is created by CNN Underscored. CNN News staff is not involved. When you make a purchase, we receive revenue. The best coffee grinders of 2021 By Lesley Kennedy (CNN) — You may agree with film director David Lynchâs proverbial maxim that âeven a bad cup of coffee is better than no coffee at all.â But if you can brew up a truly great cup oâ joe right in the comfort of your own kitchen? Well, who would say no to that?