If something makes a user frustrated, it’s poorly designed.<br><br>Progress bars that jerk around and estimated times that fluctuate make users frustrated.<br><br>We have computers that are thousands of times more powerful than the ones that landed spacecrafts on the moon that we carry in our pockets. What we don’t have is programmers who give a crap about good design. If we did, they’d find a fix for this one niggling thing and we could all move on.