[Philip Lelyveld comment - file this under interesting but useless.]
Shorter shots
The average shot length of English language films has declined from about 12 seconds in 1930 to about 2.5 seconds today, Cutting said.

[Philip Lelyveld comment: this is both good data visualization and art.]
The color palette of Inception changes as the movie switches among dream worlds. Each vertical line represents the colors present averaged across several frames. Time moves from left to right.
James Cutting

See the full story here: http://www.wired.com/2014/09/cinema-is-evolving/