Geothermal is also used for cooling since shallow drilling produces constant cool temps near 50 degrees f. It has been very effective for large A/C applications like school campuses using water as a coolant.
There is an important distinction to be made here - those who use the term "geothermal cooling" are to blame.
With geothermal energy, the ENERGY comes from the heat. It can be used to generate electricity as well as simply as a source of heat. The energy used for pumping is fraction of that that can be generated.
By contrast, "geothermal cooling" is used for a type of system using heat pumps, a ground source heat pump.
So the thing doing the cooling in this case is similar to that in a fridge or air source AC. The only difference is that the heat exchanger that gets rid of the waste heat is made more efficient by attaching it to the cool ground. It's more expensive to build, but more efficient to run - it requires less electricity for each kWh of cooling. But it does not generate energy - it has a net requirement for electricity.
It's still a good technology - the most efficient use of electricity for cooling - and sustainable if it can be run off renewable electricity!
You can date AI, which I find extremely weird 🤷🏻♀️
I think an interesting use case is personal assistants, like Siri (or others or something completely new) that provide pseudo companionship to people that might live alone.
I like to ask Siri to tell me a joke. Or the weather. Or to keep a timer. It might help people (like a widower) feel less alone that there is someone to pseudo talk to. They can even perform some home automation tasks like turning on lights, watering the lawn or opening blinds.