On the SquareTag site there's an app you can associate with that QR code called STFuel and when scanned on your smartphone, a form will be automatically loaded. This form is specifically for recording fuel usage data for that particular vehicle. You enter the fuel price, gallons added, and the odometer reading and the app stores the record. When you access the app online it can analyze the data and draw a graph for your fuel usage.
This indirect communication-based proxy technology is a powerful idea that's really quite simple to implement to expand the Internet of Things.
But what about the direct communications-based devices? The problem is that many of the products that are in this class of the Internet of Things simply ... what's the technical term? ... oh yeah, suck. The problem is that in the process of "thingifying" them designers seem to be forgetting that the Internet isn't reliable, isn't always available, and that performance matters.
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