And keep your electronic devices off. Target uses your devices radios to track your movements in a store. I wonder if they also use it to correlate cash purch

And keep your electronic devices off. Target uses your devices radios to track your movements in a store. I wonder if they also use it to correlate cash purchases. One of many articles about this: https://www.theguardian.com/technology/2016/jan/21/shops-track-smartphone-uk-privacy-watchdog-warns https://www.theguardian.com/technology/2016/jan/21/shops-tra...