The GoogleHealth concept is out-of-left-field enough that I never saw it coming. The Googletron keeps thinking up new uses for the intarw3bz that not even science fiction authors predicted. What's next? "GoogleYou: Hire a bum to be steered around GoogleEarth doing your bidding!"
Of course, they want to store your health records for you, they've already taken pictures of your house, they know what your favorite kind of porn is... An evil Google would make the Ministry of Love in 1984 look like Helen Keller in a nun's habit.