Substack doubles down on uncensored ‘free speech’ with acquisition of Letter

Substack announced last week that it acquired Letter, a platform that encourages written dialogue and debate. The financials of the deal weren’t disclosed, but this acquisition follows Substack’s recent $65 million raise. Newsletters are all the rage — Facebook launched its exclusive, celeb-studded Bulletin platform last month, and Twitter acquired the newsletter startup Revue earlier […]