Instant Buy an item
With a press of a flic, people can buy an item binded to their flic. For example, you run out of detergent, you can press to buy detergent (With the cheapest shipping, of course.) all you need to do to set up this feature, is just select the item you want binded from your favorite retailer.
If you are a Amazon Prime member and live in the US, you can get an Amazon Dash Button for free. They are buttons made by amazon for one click ordering.