Prediction: PS4 will sell 20,000,000 by Dec 31. 2014

[Aphelion]

prinz_valium said:

 

p.s 20m is out of reach now. they wont sell over 8m units this holiday

They had all year to see its massive sales and prepare for the holidays.

Looking at 360 and PS3 numbers and its very possible and with in reach.