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Non-Breakable Logitech Marble TrackBall
Been through a few of them. Made to crap after a couple years, not much more;- $20/US on sale but usually closer to $30 when time to replace. Ambidextrous, four buttons, and better than nice software for aspects of ambidexterity Logitech published at one point if and before "going to hell" as per par. Taught myself switch-hitting for a southpaw with it;- an advantage for dropping off the left side of the keyboard, which is the quickest wrist motion possible, as there's really nothing more considering a center finger's fingertip is do any scrolling. The two large click-buttons, the primary button, (right side of trackball housing, thumb operable to lefthand), is a Logitech design downfall for faulty premature wear. The extensible fix is the two assignable smaller buttons, above the aforementioned two larger, being the larger are hardware-interrupt driven at a standard default for all mice. Of course the smaller then need come with a caveat in the form software Logitech used for predefined macros, to their own defined OS "shortcuts", for translating the smaller button pulse logic into an OS event sequence. So, to make it all work better, meaning longer lasting between a Logitech mouse turd, there is a provision among assignable software listings for a same duplicate function, such that a standard mouse selection event occurs both upon adjacently paired small and large buttons. Redundancy for using the smaller button makes it the rote "finger-memory" selection, but, unless I'm mistaken, the smaller button is actually more efficiently housed in structural casing, to in effect last longer than the lower and larger. (I've only started with this last mouse purchase, hardware which has stayed the same since its inception perhaps 30 years ago.) While, contingent upon, the OS and Logitech would provide for such software;- I wouldn't count on it for an *NIX variant, for instance, where default interrupts are required, meaning the larger tow button default hardware recognition is to be expected, and, back around to Square One: premature wear failure, in all of Logitech's foresightedness. Sad. Although IBM's J-Mouse, various fingertip touch-sensor planes incorporated into keyboards have made the attempt, Logitech is really the one mouse solution at present for a greatest efficacy, a combined balance to "gesturing" at defined pixelation from the OS and keyboard input, much as would a century-old Dvorakian layout similarly be responsible for largely circumventing a debilitating syndrome affecting one-liners and chicken-headed haunted-peckers. |
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