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 Despite always paying cash and never explicitly identifying yourself, big retailers can still identify you through more intrusive means of surveillance. I've already hinted at this in talking about disloyalty programs.
 
 ## Facial Recognition Technology
-Surveillance cameras combined with facial recognition technology can uniquely identify you and the items you buy. The best way to combat this is to find smaller stores that don't have surveillance cameras. It's also not a bad idea to let the store owner or management know you choose their store over big retailers because they offer more privacy. If that's not practical for you, then be sure to wear a mask in the big retailers and a hat that covers your face from overhead cameras. One of the few good things that has come from Covid-19 is that it's now socially acceptable to wear masks inside stores. Wearing a mask simultaneously makes you harder to identify by facial recognition technology and prevents the spread of coronavirus.
+Surveillance cameras combined with facial recognition technology can uniquely identify you and the items you buy. The best way to combat this is to find smaller stores that don't have surveillance cameras. It's also not a bad idea to let the store owner or management know you choose their store over big retailers because they offer more privacy. If that's not practical for you, then be sure to wear a mask in the big retailers and a hat that covers your face from overhead cameras. One of the few good things that has come from Covid-19 is that it's now socially acceptable to wear masks inside stores. Wearing a mask simultaneously makes you harder to identify by facial recognition technology and prevents the spread of Coronavirus.
 
 There are other ways you can be deanonymized through video surveillance besides facial recognition, but there's not much you can do about them. For that reason, I'm not going to cover them. Just know that they exist and that they have to be addressed through political action, not personal choices.
 
-## Wifi Location Tracking
-The other way that big retailers have become more invasive is through wifi location tracking of your smartphone. Your phone emits wifi signals to determine which wireless networks are available nearby. The person operating the retailer's wifi network can use those signals to track your movements within the store. It's profitable to collect your movement data, so you should assume that retailers are doing it. Your phone also has a MAC address[14] which can uniquely identify you, especially if your phone doesn't randomize it. Other wireless protocols that you leave activated on your phone might also be able to be misused by the retailer to track your movements. To avoid location tracking altogether, you can fully power down your phone before you enter the store. If that isn't good enough for you, another option is placing your phone inside a faraday bag[15]. Be sure to test it out before you use it though.
+## Wi-Fi Location Tracking
+The other way that big retailers have become more invasive is through Wi-Fi location tracking of your smartphone. Your phone emits Wi-Fi signals to determine which wireless networks are available nearby. The person operating the retailer's Wi-Fi network can use those signals to track your movements within the store. It's profitable to collect your movement data, so you should assume that retailers are doing it. Your phone also has a MAC address[14] which can uniquely identify you, especially if your phone doesn't randomize it. Other wireless protocols that you leave activated on your phone might also be able to be misused by the retailer to track your movements. To avoid location tracking altogether, you can fully power down your phone before you enter the store. If that isn't good enough for you, another option is placing your phone inside a Faraday bag[15]. Be sure to test it out before you use it though.
 
 # Anonymous Online Shopping
 We have grown accustomed to the luxury of having whatever we want show up at our doorstep with the click of a button. It's hard to say no when you've gotten so used to it. For those who really don't want to give up online shopping, I'm going to write a guide on how to anonymously buy and sell goods online. There's a few different methods for 100% anonymous online shopping. Some of them get very involved, so I'm going to save all the details for another post. See ya next time!