Negative Positive
Title: Took some getting used to, but good for now.
Review: I purchased this product along with the Cordless Wave Keyboard by Logitech after a doctor's visit. I had a tendinitis issue with my right wrist, because of using it constantly on a graphics program at work, with a conventional mouse. All of the problems disappeared within about three days of using this track ball and the ergo-keyboard.The track ball took some getting used to, but learning curve was not as great as I had feared during the first day of using it. I use it so much, I forget when I use a conventional mouse at home, that I have to move the mouse. I have used this unit and the Wave keyboard for about a month at work, and I would recommend this unit to anyone else having wrist issues. As a matter of fact, I am going to purchase the same Logitech units for home.
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