Nintendo had this way back in 2005,
http://au.cube.ign.com/articles/651/651559p1.html
They knew sony and m$ would copy them with wii-mote. So they released just the wii-mote and waited for the others to copy and then release this small attachment and bam "Can your guys do this? NO, better luck next time"
-UBISOFT BOYCOTT!-







