According to Sony, the PS3 surpassed 50 million consoles sold worldwide on March 29, 2011. What's more, PlayStation Move sales broke 8 million units as of April 3.
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More then 15% of PS3 owners have Move? That's... Surprising. It's cool and all I guess, but the only Move compatible game I'm remotely interested in is RE5, because RE4 on Wii was friggin amazing (although I don't own a PS3, so whatever).