What is Back to the Future Day - and what did the film get right and wrong about October 21 2015?

30 Things 'Back to the Future II' Got Right or Wrong About October 21, 2015 - Bloomberg

How Accurate is the Future in 'Back to the Future Part II'?

Back to the Future day: it's 21 October 2015 – and we still need roads, Back To The Future

Back to the Future day: it's 21 October 2015 – and we still need roads, Back To The Future

Back to the Future: Doc Brown's Message of Hope on October 21, 2015

Back to the Future' on Oct. 21, 2015: What the movie got right, wrong and how O.C.'s celebrating – Orange County Register

Back to the Future Day

Great Scott! October 21st is Back to the Future day! - Drive

Back to the Future Day: the movie's 2015 predictions and the hoax, explained - Vox

Did Back to the Future Part II get everything right about today, October 21, 2015? - Quora

Back to the Future' on Oct. 21, 2015: What the movie got right, wrong and how O.C.'s celebrating – Orange County Register

Back to the Future Day: the movie's 2015 predictions and the hoax, explained - Vox

Back to the Future' on Oct. 21, 2015: What the movie got right, wrong and how O.C.'s celebrating – Orange County Register