Parisians Métro 's ads screen are equiped with BT scanner, with a hidden sticker on the side to link you with a qrcode to a RGPD output website, where you have

Parisians Métro 's ads screen are equiped with BT scanner, with a hidden sticker on the side to link you with a qrcode to a RGPD output website, where you have to log your private data to register your devices to be not scanned... What a world to be alive..