Tue, 03/07/2023 - 18:35 Engadget The Federal Trade Commission is stepping up its investigation into some of Twitter’s most controversial decisions since Elon Musk took over the company last fall. Tags site|engadget, provider_name|Engadget, region|US, language|en-US, author_name|Karissa Bell Source The FTC is investigating Elon Musk's handling of Twitter Blue and the ‘Twitter …