I think we’re on the cusp of an embedded explosion. I thought of this idea to have a wifi kitchen barcode scanner about 5 years ago, but decided to focus on other things. Then a kickstarter showed up and now this: https://fresh.amazon.com/dash/
This is the perfect example of how these things will be everywhere.
Another thing that piques my interest is their “easy wifi setup” on a device with no UI. Lately, I’ve been thinking Bluetooth or USB client for passing wifi credentials. Although this could be WPS.