Trackball vs a Regular Mouse- When and For Whom?

Logitech ERGO M575 Wireless Trackball Mouse - Easy thumb control, precision and smooth tracking, ergonomic comfort design, for Windows, PC and Mac with Bluetooth and USB capabilities - Graphite

Trackball wireless avanzata Logitech MX ERGO

Logitech ERGO M575 Wireless Trackball with Smooth Tracking

Logitech Proves Its Trackball Mouse Is Here to Stay With Wireless M575 Release

I'm irrationally excited for this trackball gaming mouse