> IP address is always going to be the easiest way to track a user This is changing: Apple has rolled out Private Relay, and Chrome is planning some combinatio

> IP address is always going to be the easiest way to track a user This is changing: Apple has rolled out Private Relay, and Chrome is planning some combination of willful IP blindness and near-path NAT. > user agent information which browsers happily give away too much information So is this: all the browsers are working on reducing how much they put in the UA.