Back to the Future II: What did it get right and wrong?
Universal Pictures It's Back to the Future Day - the date Marty and Doc crashed the future in the second of the three time-hopping sci-fi adventure films. The sequel was released in November 1989. And watching it back nearly 26 years later, it's impressive to note how many tech trends it predicted, even if it also contained its fair share of misfires. Getting around "Where we're going, we don't need roads..." - well, that's one promise that didn't work out. Flying cars have always seemed to be just over the horizon. Boston-based Terrafugia, for example, promised to start selling a model in 2012 , but is still trying to get its business off the ground. But while BTTF was overly optimistic about vertical take-offs becoming the norm, it did nail one detail. Listen to the sound effects used for its automobiles as they pass, and you hear the near-silent hum that's become associated with Toyota's Prius and other electric-powered f...