Amazon already offers such buttons but I haven't used them. I can certainly imagine that being convenient, although I'd want them to be a) unbranded/programmabl

Amazon already offers such buttons but I haven't used them. I can certainly imagine that being convenient, although I'd want them to be a) unbranded/programmable; b) optionally adding to a shared shopping list rather than directly ordering c) possibly a bit more subtle and/or smaller in size.