Some pictures that show the mass production of the PS4 have been leaked on some chinese board (A9VG).
It is not the first time that only weeks before the launch of a next gen console such stuff gets leaked onto the internet:
The leaker also mentioned that his boss said they are shipping out over one million consoles
from their factory alone, presumably for launch. And they are not the only factory that's producing ps4s.
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SOURCE: http://nforush.net/forum/ps4-news-and-information/ps4-leaked-pictures-of-mass-production/ via NeoGAF