It will be interesting to see whether there will be massive shortages of either the PS4 or the Xbox One, as was the case with the PS2, PS3, Xbox and Xbox 360. (ibtimes.com)
In April 2010, the Guardian also highlighted: US military warns oil output may dip causing massive shortages by 2015 «• Shortfall could reach 10m barrels a day, report says • Cost of crude oil is predicted to top $ 100 a barrel» Why did it only take 1 year instead of 5 to reach $ 100 / bbl?! (judithcurry.com)
And if you had any doubt left that it wasn't going to reach 1 million units this very year, this week's sales show that the only thing that could prevent that from happening is massive shortages throughout most of December. (perfectly-nintendo.com)