What Happens to Your Smarthome If the Internet Goes Down?

An internet connection can be the thing that separates a smarthome device from a dumbhome device. If the internet goes out at your place, what exactly happens to your smarthome devices? Do they turn into bricks, or are they still somewhat functional?

https://www.howtogeek.com/364149/what-happens-to-your-smarthome-if-the-internet-goes-down/