Sounds very interesting - I really hope we'll get our hands on it soon...
Finally a way for all the data being collected to actually be used (for good or bad), and as the article says 8K gaming... :P
Ha, I hadn't even thought of the "bad" stuff. The NSA probably bought the first production run, that's why we'll probably only see it in 2016. ^^
Datacenter use: late 2016
Workstation use: early 2018
Consumer: 2019
Anandtech has a more in-depth overview with some interesting points on possible applications:
http://www.anandtech.com/show/9470/intel-and-micron-announce-3d-xpoint-nonvolatile-memory-technology-1000x-higher-performance-endurance-than-nand