Wow - amazing ! Almost any thought I have that I think is interesting and innovative has been thought of, explored, and implemented by somebody else. It's just a matter of finding the product. I'm not even sure I would have known what to google for that product, but it fits the bill to the tee (or T?).

But, given cost, I guess the question still stands - is there a lower cost hack or workaround that can accomplish almost the same thing using free or low-cost services and existing gear that I own