Btw, look into LoRa for communication

Otherwise you might end up like those Jan 6th guys.

Even if you don't plan on protesting, and you absolutely must be on Facebook, always delete everything more than one week old. None of it will ever appear on the feeds of your friends and family again anyway, its only value is to data mine about you.

I saw a thing about agencies still holding onto encrypted data they harvest.

They can't use it today, but as the cryptology arms race goes on, (and processors improve) it becomes much easier to brute-force decrypt.

So in 5-10 years, they might suddenly have a file on you.