There's probably a legal distinction, but personally I really don't want, say, my grocery store tracking how long I spent in which aisles to add to my advertising profile.
(Yes, I use rewards cards, but I have the option to not enter my phone number and pay cash if I want to exclude a particular purchase from that dataset.)
(Yes, I use rewards cards, but I have the option to not enter my phone number and pay cash if I want to exclude a particular purchase from that dataset.)