Keys have a lower profile, action, and feel much more flimsy compared to the usb apple keyboard that this replaced. Keys also produce more noise and have more lateral movement (i.e., it feels cheap, unlike the sturdy and quiet older keyboard). The space bar is too skinny and I sometimes hit the command key by mistake. An extra "fn" key was squeezed into the left side, hence the shorter space bar. Otherwise, the "Magic" keyboards are the only ones apple makes, so we're stuck with them.