It's been nearly five years since the FBI surrounded Ross Ulbricht in the science fiction section of a San Francisco library, arrested him, and grabbed the laptop from which he had run the dark web drug bazaar known as the Silk Road. Ulbricht went on trial in a New York courtroom, and is currently serving a life sentence without parole.

Get in-depth coverage of current and future trends in technology, and how they are shaping business, entertainment, communications, science, politics, and society.