The new Dash button is very different from the old one: https://hackaday.com/2016/07/26/bending-the-new-amazon-dash-.... and now, Amazon also has the over-priced Amazon IoT button: https://www.amazon.com/AWS-IoT-Button-Limited-Programmable/d...
I suppose in the article I should have mentioned that I expected the button to be able to fire whatever HTTP payload that I wanted. Probably an odd expectation of mine, but that's the price I pay for my day job seeping into my night life.