That's what I am doing, actually. As a beginner, I'm producing about 15% of my food now, eggs and vegetables, while also running a software business, and hanging about on HN. I live in a small city on about 1/4 acre. I expect to improve my yield quite a bit — three or four times in the next few seasons.

I buy almost exclusively organic, local produce and meat. It's amazing how the savings begin to add up when you cook your own meals and buy in bulk when possible.

Sure, not everyone will want to do all this, but I think it goes to show how many assumptions about the current food economy/infrastructure are not true and how much could change thinking creatively, and prioritizing health, the environment, self-determination, etc. over convenience of industrialized and junk/fast foods.

Someone with mechanized equipment and a few acres could produce much more organic produce than I do in the same amount of time, and meat, cheese, and eggs. Enough to supply dozens or more families with food. And because internet access is available, they are not disconnected from the world and could even run a software business like I do (or be an artist, or accountant, or mechanic, or virtual assistant, chef, or any number of jobs).

There are dozens more creative ways to reduce or eliminate our dependence on industrialized food. Technology should promote life, not seek to replace it.

If you read all that, then thanks.