PS4 will outsell the Gameboy+Gameboy Color, 2018 to be peak year and other predictions

[Areaz32]

SKMBlake said:
I don't see 2018 to be the peak year, 2017 was the "fake" peak year (because of the launch of the PS4 Pro) but it will not go any higher than 20 millions

PS4Pro launched in 2016 so that doesn't make any sense.