I was about to scoff that even if the oven, fridge, microwave, and dishwasher are all talking to each other, I'm not going to connect any of them to the Interne

I was about to scoff that even if the oven, fridge, microwave, and dishwasher are all talking to each other, I'm not going to connect any of them to the Internet. But then I realized that my neighbor might connect his to the Internet, and that a low-bandwidth 433 or 900 MHz radio mesh can hop from house to house until it finds any house that's connected to the Internet. BRB, off to replace my drywall with a Faraday cage...