Here's how social media platforms are responding to Russia's invasion of Ukraine

Ukraine's official Twitter account wants @Russia to be removed from the platform. YouTube is facing scrutiny for allowing a Russian broadcaster who is widely viewed as part of the country's propaganda machine to continue making money from ads on the video site. And TikTok, a service that didn't even exist during the 2014 crisis in Ukraine over Russia's annexation of Crimea, is now offering an unprecedented close-up of the front lines through videos — some authentic, others not.