The last time I used a trackball, it was one of those weird models that had a big ball in the middle, with mouse buttons to either side. That's not exactly conducive to gaming unless you're playing ...

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Like many ergonomic products, trackballs are an acquired taste—often, acquired by sheer painful necessity. It can feel strange to switch from using a mouse, which feels like an extension of your arm, ...

Logitech has discounted the Logitech Ergo Wireless Trackball Mouse on Amazon by $10, to $40, from its usual price of $50, for a 20% discount.