> Target (1) uses your credit card as the user hash, much like a loyalty card. There's no opting out of this one. Does Target still accept cash? Another one I

> Target (1) uses your credit card as the user hash, much like a loyalty card. There's no opting out of this one. Does Target still accept cash? Another one I've heard of is stores using wifi and bluetooth to track shoppers by their smartphones. This is possible even with bluetooth turned off in some cases. https://www.nytimes.com/interactive/2019/06/14/opinion/bluetooth-wireless-tracking-privacy.html https://www.nytimes.com/interactive/2019/06/14/opinion/bluet...