How to enable youtube's secret dark mode in chrome, The dark is, as you’d expect, dark, with a black background and white text. here’s how to turn it on: head to youtube. open up the developer menu by pressing ctrl. What the best commencement speeches teach us about failure, Image by angelica alzona/gmg. if there’s one common thread amongst some of the best college commencement speeches out there, it’s failure. college, it turns out.