https://www.reuters.com/article/us-usa-trump-socialmedia/former-u-s-president-donald-trump-launches-truth-social-media-platform-idUSKBN2HB05S >LOS ANGELES (Reuters) -Former U.S. President Donald Trump will launch his own social media app, TRUTH Social, that he said would "stand up to Big Tech" companies such as Twitter and Facebook that have barred him from their platforms.