Turn this smartphone setting off if you don't want to be tracked for ad targeting

By now, most of us are probably resigned to the fact that many of the digital services we use on a daily basis -- things like Facebook and Spotify, for example -- monetize our clicks and behaviors within their apps, and even sometimes outside them, in attempt to learn as much about us as possible. In the service, of course, of presenting us with better ads that we're more likely to click on, which keeps the money rolling in for the services themselves, letting the wheel of commerce keeps spinnin...