["Play chess vs. computer opponents of all skill levels. Practice with coach bots or take on a roster of unique characters with new additions every month.", "Get the official YouTube app on Android phones and tablets. See what the world is watching -- from the hottest music videos to what’s popular in gaming, fashion, beauty, news, learning and more....", "It also offers YouTube Premium, a paid subscription option for watching videos without ads. YouTube incorporated the Google AdSense program, generating more revenue for both YouTube and approved", "Get the official YouTube app on iPhones and iPads. See what the world is watching -- from the hottest music videos to what’s popular in gaming, fashion, beauty, news, learning and more.", "Official YouTube Help Center where you can find tips and tutorials on using YouTube and other answers to frequently asked questions."]