Oneeee-Chan!!! on 05 October 2017
Sony said , We expected PS4 will sell 78 millions still March 2018.
And we think it possible.
https://mainichi.jp/articles/20171004/k00/00m/020/039000c
http://www.sankeibiz.jp/business/news/171004/bsb1710040606003-n1.htm