Earlier quoted context omitted.
Eh... there's some value, it's just really badly implemented currently. A selling idea of the Nest is that it keeps your house warm when you're there, and not-frozen when you're not, and it will do so efficiently, so that the house is warm when you arrive home but not long before. Now of course you can just turn up the heating as you walk in the door wait a few minutes to heat up, it won't hurt. But if technology can…
Another thing that you can do is tracking which products you have in your fridges, freezers and cupboards – and when you want to know where something is, you can just do "Jarvis, do we have another bottle of ketchup?" – "Yes, it’s in Kitchen Cupboard Number 2 Left " In fact, I’ve actually designed something similar to that, but a lot simpler. A simple barcode scanner where you check in new products you buy, and check…
I tinkered with something like this too in my app; but not for where things are, I already have pre-defined homes for things.
Instead I was more worried about food going bad before I ate it. but I backed away from it, mainly because barcodes don't carry expiration data. Instead, my app knows whats on my shopping list, and send me an email afterwards that lets me +1 my inventory of something, which ties into a general expiration for that product (like milk is ~week) and then sends me emails when something I bought is close to expiring. For milk it's not such a problem, but other things I buy and forget.