Charlie Kaufman has helped me understand the (still grander) power of cinema, now that the formative conventions of theatre have begun to lose their effect.
The medium *film* is NOT like life.
Comparing books and movies is going to get even more absurd.
Previously, popular films begat novelizations.
Hereforward, keep yer eyes open for the effects of film upon the written word.
The concept "narrative" is in debate and up for grabs -- 
2hp