YouTube reveals significant upgrades across desktop and mobile app, including a sleek new logo. Google acquired YouTube in 2006 for $1.65bn and the latter still pretty much reigns as the second-largest search engine on the planet. In recent months, YouTube redesigned its desktop site with a cleaner look and a nifty new ‘dark theme’, ideal for night-time viewing. The new design – which has more white spaces and room for video thumbnails – articulates the evolution of YouTube over the past 12 years. YouTube’s mobile evolutionOn the mobile app, navigation tabs have been moved to the bottom to make it easier for users to manage their YouTube experience with their thumbs.