The 12 most unfaithful movie versions of science fiction & fantasy books

At io9 Amanda Yesilbas and Charlie Jane Anders came up with the twelve most unfaithful movie versions of science fiction and fantasy books. One entry on the list:
Almost Every Philip K. Dick Movie

There have been a slew of movie versions of Philip K. Dick's novels and short stories — and for the most part, they've taken insane liberties. Often, Dick's mind-bending explorations of identity and