I believe that most frustration and disappointment with computer anything stems from un-met expectations. Let me offer a trivial example from the real world.
All of us have put some food product into a micro-wave oven -- bag popcorn springs to mind. We punch the usual buttons, listen for the popping to start then stop, eager to enjoy the snack. Most of us have experienced that burned bag situation when either the popcorn product or the micro-wave oven or both conspire to yield results...
