Absolutely. And they're afraid to try and explore because: a) they've been burned before, and broken something or lost data These people need to be untaught t

Absolutely. And they're afraid to try and explore because: a) they've been burned before, and broken something or lost data These people need to be untaught that you can break computers, which is much harder. As is writing fault-tolerant software and humane interfaces. b) mental models are abstractions, and there seem to be a large number of people who just don't cope with abstraction very well. I'm hopeful that touch-based computing will help some of these people by eliminating a layer of abstraction from systems that already have too many.