It's a wonderful thing when a physical device captures the Unix philosophy of doing one thing very well. I would hope, for the author's sake, that there are si

It's a wonderful thing when a physical device captures the Unix philosophy of doing one thing very well. I would hope, for the author's sake, that there are similar devices that can be purchased new for professional use. Because for all the features, abilities, and advancements available on things like a smart phone, they unavoidably create a single point of failure. And then there's the refrain often heard from the Commodore 64 and 8 bit computing ilk: Newer isn't always better.