From Google's CEO:
"If you have something you don't want anyone to know, maybe you shouldn't be doing it in the first place"
That's the exact same advice I give teenagers in our youth group who look a bit tipsy or drunk in Facebook photos.
Aside from that I agree with Steve, that there's something kinda scary about the video where this quote comes from:
Interesting stuff! You may enjoy this brilliant piece from (satirical newspaper) The Onion:
http://www.theonion.com/articles/google-responds-to-privacy-concerns-with-unsettlin,16891/