>Essentially, we’ve had no major forms of innovation in memory for three decades – SRAM, DRAM, and Flash as the only memory types in broad deployment

Not sure about that, does 3D XPoint or Optane memory count as new type of memory innovation, it's a joint venture between Intel and Micron [1].

[1] 3D XPoint:

https://en.wikipedia.org/wiki/3D_XPoint