4,000,000,000! That is the amount of hours people spend watching videos on YouTube every month. That is so much, that it is already easier to write as 4×10⁹ (a 4 with 9 zeros). In many cases watching some of the videos is a waste of time. Either because it's a video of someone opening the wrapper of a new iPhone or the 60-minute-documentary is on a level a 2nd-grader could understand. There is a way to make better use of our spare time: a (not so new) feature in the HTML5-player of YouTube. It allows you to see videos at higher speeds than normal (also lower). This article will show you how it's done.