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8BitDo’s $100 wireless mechanical keyboard screams ’80s NES
(arstechnica.com)
This is a most excellent place for technology news and articles.
Depends on what you use it for and why.
It's a lot more convenient than using the number row, especially if you have to input a bunch of numbers at once. I find it rather handy for jotting up my budget, for example. I could do it with the standard number row, but the number pad is easier and nicer to do it with.
Also good for games that have a lot of hotkeys, like Minecraft modpacks. You get more buttons.