This would be a really good question to get a Congresscritter to ask a Facebook rep under oath. Maybe it doesn't matter and they'll lie. But I'd still like to g

This would be a really good question to get a Congresscritter to ask a Facebook rep under oath. Maybe it doesn't matter and they'll lie. But I'd still like to get an answer: if a U.S. citizen deletes individual data, or the entire account, is the data retained in any sense? how does this differ for an E.U. citizen?