The MOMENT I saw this...I really, really, really wanted it. The Super-Secret Spy Lens from Photojojo. Awesomness, no? You MUST watch the video on the link - it shows the lens "in action" in an amazing and hilarious way.
(James, Darling - if you're reading this, consider it part of the Christmas List)
Don't you think it would be absolutely pefect for catching those candids of life...like, for real? Oh, man...I'm so digging this!