Unicode is a standard for character encoding that can represent a wide variety of characters used around the world. Software engineer Paul Butler explains that Unicode allows users to embed 'secret ...

WhatsApp has a special feature called Secret Code that lets you hide away your chats. It's an evolution of the existing Chat Lock feature that helps you protect your "more sensitive conversations", ...

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.