Last year I marked the date, and this year it became a "thing" (at east on the internet). So here are a few links to celebrate the famous date from the "Back to the Future" trilogy.
Billings, L. Time Travel Simulation Resolves "Grandfather Paradox". Scientific American, September 2 (2015).
"What 'Back to the Future, Part II' Got Wrong (and right)", from the University of Illinois, Urbana-Champaign.
A welcome to the future, from Doc Brown himself:
COURTESY: Universal Studios.
And now..... a bit farther into the future...... The Economics of Star Trek, which is a really active area of internet scholarship:
In the future, Spock is on the money. COURTESY: Rick Webb, The Economics of Star Trek: the proto-post scarcity economy.