Yeah, exactly. We almost live in computers, most of our friends and colleagues do, but there are so many people for who computer is just a black box. And there

Yeah, exactly. We almost live in computers, most of our friends and colleagues do, but there are so many people for who computer is just a black box. And there is nothing to be angry about. You don't want car mechanic, or plumber to be thinking that you are an idiot, casual users don't want that either, they just have more important things to care about :)