As far as I am aware, there's no Federal law prohibiting the publication of SSNs for lawful purposes (which is the typical default.) In Virginia, Ostergren v. Cuccinelli (4th Cir. 2010) touched on this very issue, and ultimately concluded that publishing SSNs is protected speech (some nuance there, but this was the outcome.)
License plates are explicitly designed for legibility and are legally mandated by every state to be displayed in public view. The entire purpose of this object is to be seen and create accountability. An SSN is a private, individually-issued piece of information that isn't intended for public view - and courts are still saying publication is okay.
Law in the United States isn't an autistic, overly-rigid computer system where edge cases can be probed for "gotchas:" judges and case law exist to figure out these tough questions.
alt Hacker News
As far as I am aware, there's no Federal law prohibiting the publication of SSNs for lawful purposes (which is the typical default.) In Virginia, Ostergren v. Cuccinelli (4th Cir. 2010) touched on this very issue, and ultimately concluded that publishing SSNs is protected speech (some nuance there, but this was the outcome.)
License plates are explicitly designed for legibility and are legally mandated by every state to be displayed in public view. The entire purpose of this object is to be seen and create accountability. An SSN is a private, individually-issued piece of information that isn't intended for public view - and courts are still saying publication is okay.
Law in the United States isn't an autistic, overly-rigid computer system where edge cases can be probed for "gotchas:" judges and case law exist to figure out these tough questions.