On the other hand, Moore's law only applies to silicon. We already know a number of other viable substrates, and some are already being put into production as we speak. A substrate with different physical properties has the potential of making silicon look like vacuum tubes going forward. On top of that, architecture is evolving as well. Huawei's tau law being a great example. Turns out the scales we're dealing with are so small that the time it takes a signal to travel from one end of the chip to another becomes significant. So, if you fold the chip you can dramatically improve its speed by connecting the opposite ends together. And these things are obviously mutually reinforcing. So, there's little reason to think that the current plateau we're hitting is permanent.