Back in March, introduced by Vint Cerf, Jonathan Zittrain and Larry Lessig gave a talk at Google’s Washington DC offices. Google has, possibly encouraged by its Viacom harassment, just posted the video up on YouTube. About 58 minutes in, after Zittrain has given his book synopsis – with which I trust we are all now familiar, Lessig, drawing on earlier ‘Z theory’, gets into the meat of exactly the privacy issues recently highlighted by Viacom’s actions.