Beats me! I don't expect it to be more efficient today, it's brand new tech. My hope is that it will be much more efficient as research continues & economies of

Beats me! I don't expect it to be more efficient today, it's brand new tech. My hope is that it will be much more efficient as research continues & economies of scale start to kick in. It may well turn out to be a dead end, but until that's clear, I think it is exciting to think about.