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Think the use will be as niche as the TouchBar. At least BetterTouchTool has added tons of customisation to the TB
 
https://www.theverge.com/platform/a...eenpad-specs-release-date-price-computex-2018

Now this is what I call a really useful addition. No need to replace the function keys.
Yes I have been waiting a long time for something like this

I was always a big supporter of modular construction (ie where components could be swapped in and out or upgraded) and suggested that your smartphone should also slide/clip in an could be used as a smart trackpad, alas they never came about

But this is a good and promising variant
 
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