Really weird too, try searching for substack, only get matches on 'newsletter' https://twitter.com/search?q=substack&src=typed_query&f=live https://twitter.com

Really weird too, try searching for substack, only get matches on 'newsletter' https://twitter.com/search?q=substack&src=typed_query&f=live https://twitter.com/search?q=substack&src=typed_query&f=live Either this is a forced replacement of s/substack/newsletter or its a sign the term is banned or both.