Amazon Dash Button is a wireless device connected to your Amazon Prime account with the help of which you can place orders for your convenience. It is a specified button for you usual orders. Just press it and you have it ordered, especially if you don't want to think 24/7 for that and you just remember at the moment you need it.
bttn is complete IoT solution for your business. It comes with stand-alone connectivity for easy deployment, cloud service with all the business management and integration tools. Plus it offers bttn for Commerce API that delivers secure payments for all ecommerce uses.
Both bttn and bttn for Commerce API have been granted US patents.