"Dear Sir,Madam
while reading a recently acquired db, i came across your brother in law who has disease xy. Now, me being a decent person, i kept things qiet for now. No need to rattle potential love interests , your children or the community with news about this genetic curse. If you want this silence to last, just subscribe by donating 0.01 bitcoin per year to the Mammal & Animal Foundation for Integrity Agency."
This right here is the chernobyll of privacy.