I use them as cheap-man's VPN. A ssh server on a public IP but a non-obvious port brings you into the network, and port forwarding allows you to connect to relevant endpoints in your remote network via localhost:12345.

> My Weird Hill is that we should be building things with GPT-4.

Absolutely. I always advocate that our developers have to test on older / slower machines. That gives them direct (painful) feedback when things run slow. Optimizing whatever you build for an older "something" (LLM model, hardware) will make it excel on more modern somethings.

Putting sulfur into the right layers of the atmosphere seems to be the currently best viable options. It's not overly expensive, either. It acts fast and is reversible.

https://en.wikipedia.org/wiki/Stratospheric_aerosol_injectio...

The low prices of solar and batteries are a glimmer of hope. For many regions it's now the cheapest source of electricity.

They would never be the same. It's just that everything still works the same if you switch out every i with -i (and thus every -i with i).