https://motherboard.vice.com/en_us/article/a3q744/where-did-shadow-banning-come-from-trump-republicans-shadowbanned

On Thursday, Donald Trump tweeted: “Twitter ‘SHADOW BANNING’ prominent Republicans. Not good. We will look into this discriminatory and illegal practice at once! Many complaints.”

The tweet, seemingly in response to a VICE News article posted last week, uses the phrase “shadow banning,” a term that has been co-opted by conspiracy theorists who say that Silicon Valley is discriminating against them.