If you thought there wasn’t already enough to get riled up over when it came to Walmart, here comes news that this big-box retailer will soon be employing “smart” tags to manage their inventory. While this move may simply seem like an obvious technological trade-up, don’t be fooled, these electronic tags are doing a lot more than telling the store what’s on the shelves. Retailers have long employed radio-frequency ID (RFID) tags to track pallets of merchandise as they move from storage to store, but Walmart will be the first implement this technology where consumers roam. While they are removable, RFID tags cannot be turned off, meaning they’ll follow you wherever you go. So what does this technology mean for your privacy? Read ahead to see why this little tag has watchdog groups crying foul.