Apple has a little-known security feature, often described as a hidden 'secret code,' that can reveal if someone is snooping on your private conversations. Every iMessage chat generates a unique ...
A secret code has gone unnoticed for years on the side of a train. The concealed message appears on Great Western Railway's (GWR) 'Trainbow' Intercity Express Train (IET) 800008.
Secret messages can be hidden inside fake conversations generated by AI chatbots. The technique could give people a way to communicate online without arousing the suspicion of oppressive governments.