Online platforms take action against President Trump, Lenovo tries out a swiveling screen and Roblox raises $250 million. This is your Daily Crunch for January 7, 2021. The big story: Facebook bans Trump for two weeks After a pro-Trump mob stormed the U.S. Capitol yesterday, a number of online platforms moved to suspend accounts connected to the outgoing president. For example, Twitter locked Trump’s account for 12 hours after he posted several (subsequently deleted) tweets repeating his unsubstantiated claims of election fraud and expressing support for the rioters (while also…