John Siracusa takes an illustrative look at the (lack of) evolution of handheld game controllers.
“But let’s take a step back. These are handheld game machines. You hold them in your hand. How many years will it take before someone realizes that sharp-edged rectangular solids are not ideal for gripping? Again, I recognize the constraints here. All I ask is some sort of acknowledgment of the reality of “hands” some sort of progress.”
Link: Waiting for the handheld revolution (arstechnica.com)