Dark Mode How to Activate Secret YouTube Dark Mode   Are you aware that YouTube has a hidden dark theme mode on its website version in Google Chrome? Google secretly added this feature on its own web browser since last year. In this post, I will show you how to activate the dark mode on YouTube web version. Though yesterday, Google hinted that they are working on bringing this feature to the YouTube app for Android devices just as it is on Twitter. Recall, last year Twitter added the dark theme feature to it Android app. The main purpose of…