Donald Trump has moved out of the White House, he’s been banned from Twitter and suspended from Snapchat, Facebook and YouTube. Parler, a twitter alternative for conservatives, went offline after Amazon stopped hosting it. Amazon say this is because they found dozens of posts on the service which encouraged violence. All of this has raised questions about the power of tech companies and who should decide who’s voice is heard on social media. So this week Charmaine Cozier asks, has big tech gone too far in limiting free speech? Presenter: Charmaine Cozier Producers: Sharon Hemans and Bob Howard Editor: Richard Vadon (Twitter suspended Donald Trump's account for violating app rules, January 2021. Credit: Jakub Porzycki/ Getty Images)