Initial sales numbers are in, PS4 has sold 1+ million units in under 24 hours outpacing the PS2 launch. These are NA numbers only which was one of their weakest regions of the last generation.
http://www.theverge.com/2013/11/17/5...-million-sales
Comparative figures from previous generations
PS2 took 3 days to sell 1 million units,
Wii U - 1 week(168hr) - 400 000 console sold
Wii - 8 days(192hr) - 600 000 console sold
Playstation 3 - 2 months - 1 million console sold
Xbox 360 - 2 weeks - 326,000 console sold
Not my graphic, but here's the value graphed
