I’ve been writing about privacy for a long time. I wrote a series of articles about location tracking and a useful overview of data brokers and a long series of articles about privacy and trust. Most recently I wrote a cautionary article about why privacy concerns could doom augmented reality devices. I can tell you with confidence that personal privacy is obsolete. At one time we had a certain amount of privacy in public or semi-private spaces because there was nothing recording most of our movements and actions.  There were just people’s observations and memories, which are transient and...