John Carmack recently used a camera to measure that it takes longer to paint the screen in response to user input, than send a packet accross the Atlantic: http

John Carmack recently used a camera to measure that it takes longer to paint the screen in response to user input, than send a packet accross the Atlantic: http://superuser.com/questions/419070/transatlantic-ping-faster-than-sending-a-pixel-to-the-screen/419167#419167 http://superuser.com/questions/419070/transatlantic-ping-fas... I came across the post when I was looking for USB HID latency (8ms).