Sony will also make money on hardware accessories. Most PS4 owners will buy an additional controller ($59 retail, $18 teardown) and many will buy a PS4 camera

Sony will also make money on hardware accessories. Most PS4 owners will buy an additional controller ($59 retail, $18 teardown) and many will buy a PS4 camera ($59 retail, no teardown price listed here, but I've seen sub-$20 estimates discussed elsewhere).