While social media platforms, as private entities, aren't bound by First Amendment guarantees, their self-descriptions as public squares creates confusion (Kara Swisher/New York Times)

Kara Swisher / New York Times:
While social media platforms, as private entities, aren't bound by First Amendment guarantees, their self-descriptions as public squares creates confusion  —  The First Amendment doesn't say you can tweet whatever you want.  —  Ms. Swisher covers technology and is a contributing opinion writer.