Intellimouse
Used by 3 peopleamazon.com ↗
“Plugged into the display, I always keep a Lightning charger for my phone, an old wired Apple aluminum keyboard, and a classic wired Microsoft optical IntelliMouse - in my opinion, the best mouse ever made and the only one that's ever felt comfortable in my hand.”
Andy Baio Interview, Writer, developer, co-organiser (XOXO) · via Uses This 
“An old Microsoft Intellipoint Mouse, wired.”
Chris Glass Interview, Designer (Wire & Twine) · via Uses This 
“Almost as old as my Model M is my Microsoft Intellimouse, the best mouse that I've ever owned.”
Mike Fogus Interview, Software developer, author · via Uses This