In some ways, it's a marvel that even half of consumers bother to lock their phones. You would think the benefits would be obvious enough: by entering a few numbers, you can achieve a basic level of protection from prying eyes.
What is missing is a sales pitch -- like the arms race but ideally less grim -- that made possible the Apollo program. Time will tell when and how the 2001 vision will be realized, and if it will be human or robotic. In the meantime, we all can dream.