4 ms·It's a compression technique used in stuff like PNG and gzip, saved you a click.by soheil 6y agoIt's a compression technique used in stuff like PNG and gzip, saved you a click.willis936 6y agoIt's an optimal prefix code. If you already know what that sentence means then you can save the click.blueline 6y agoThe historical significance of it is a hell of a lot more than that