Also had no idea but browsers do seem to leak their incognito state: https://stackoverflow.com/questions/2909367/can-you-determine-if-chrome-is-in-incognito-mo

Also had no idea but browsers do seem to leak their incognito state: https://stackoverflow.com/questions/2909367/can-you-determine-if-chrome-is-in-incognito-mode-via-a-script https://stackoverflow.com/questions/2909367/can-you-determin...