Being easy to use is not usually thought of as a feature. Just look at the reaction of telephone hardware vendors to the original iPhone: There's nothing new ab

Being easy to use is not usually thought of as a feature. Just look at the reaction of telephone hardware vendors to the original iPhone: There's nothing new about this, there have been tons of devices with touchscreens, we already know the customer does not want those, yada yada. They did not even consider the possibility that the selling point was not a list item on the spec sheet, but the user experience.