^Watch this short video, friends. You will quickly understand
   EXACTLY what a nanosecond is and what a microsecond is. It is
   something REAL, something TANGIBLE. You can TOUCH these
   extremely small units of TIME and hold it in your hand. Grace
   Hopper does. (she invented COBOL in the 1950s and is a true,
   humble genius). You WILL go "WOAH... WOW... I GET IT"^