With the launch of the Logitech MX Master 4, I decided to retire my five-year-old, worn-out MX Master 3. Here are five things I learned about the new mouse in the process.

I've been using the Logitech MX Master 3S as my exclusive productivity mouse for the past two years. It's become something of an old friend at this point, so I was anxious to test out its successor, ...