That mysterious 6- x 6- x 3-millimeter slot found within the most recent iPod touch teardown? We were pretty sure it was the eventual resting place for a camera sensor, but now we've got mounting evidence with the discovery of a missing link. If you recall, there was an August-borne leak of an iPod touch with camera that showed said slot filled with a chip that, in hindsight, looks to match up well with the
