Firstly, why would you assume you would never be able to buy it? Secondly, it might not be directly relevant to people like you and I initially. If instead som

Firstly, why would you assume you would never be able to buy it? Secondly, it might not be directly relevant to people like you and I initially. If instead something like this could be cheap enough to bring to the massive billion(s) of people with no power or light at night -- that's huge. Once it's ready, and I'm nearly sure it eventually will be (solar in general), then it'll be ready for us to consume.