'Ready Player One' is based on a novel that fawns over 'Knight Rider', Betamax and all things '80s. But film critic Nick Schager says turning it into a blockbuster is a tall order, even for Spielberg.

Ready Player One has found an audience with people who were teens in the 1980’s or remember that era fondly. People who were born in the late 90’s or are considered to be millennial’s may ...

It helped that Spielberg was a fan of the book. Says Cline, "I saw his copy of Ready Player One, this dog-eared paperback full of post-it notes, when I visited the set of the movie.