People living for a very long time could happen, but I doubt that the technology would be released to anyone who could not afford a few millions. No matter how

People living for a very long time could happen, but I doubt that the technology would be released to anyone who could not afford a few millions. No matter how cheap, whoever owns the tech can charge what they want for it, and people will pay tens of millions for it. It's better to concentrate on the high end market, than to go for the low end.