I linked to this interactive chart by year from my blog [1]: https://people.eecs.berkeley.edu/~rcs/research/interactive_latency.html https://people.eecs.berkel

I linked to this interactive chart by year from my blog [1]: https://people.eecs.berkeley.edu/~rcs/research/interactive_latency.html https://people.eecs.berkeley.edu/~rcs/research/interactive_l... (Use the slider) It shows disk seek and and sequential SSD read going down a lot. However, it also extrapolates out to 2020. The code listing does have a lot of sources, and shows the extrapolation done, which I didn't look into in great detail. [1] http://www.oilshell.org/blog/2016/12/23.html http://www.oilshell.org/blog/2016/12/23.html