> Within our lifetimes, books with every person in town's name, number, and address used to be delivered to everyone's home. And our opinions towards that chan

> Within our lifetimes, books with every person in town's name, number, and address used to be delivered to everyone's home. And our opinions towards that changed precisely because some people started abusing that data to do targeting (and adversarial discrimination), exploiting scale, and the whole thing got out of hand.