This really begs the question for *why* it would be a bad thing to announce. Murder trials and some missing persons cases would be a lot easier if "non-phony" mediums would contact the victims. Investigators and military contractors would be very excited to hire astral projectors as scouts. Faith healers could work in hospitals. People with dousing rods could find oil for oil companies. What benefit could secrecy have at all, and how would every single one of those people with "real" powers each individually decide that keeping it a secret was in their own personal benefit? People *love* publicity, but not *one* of these people do?