A security researcher claims to have discovered a way to hide extra information inside emoji.

Emoji date back to 1999 when they first appeared on Japanese cell phones. But it’s history goes further than that, because ...

‘emoji’ means ‘pictograph’ in Japanese. The ‘E’ stands for picture or drawing and ‘moji’ denotes letter and character. Emoticons are expressions of emotions while emojis are used to explain things. So ...

This helps support our journalism. Learn more. Please also consider subscribing to WIRED For decades, choosing an emoji has been constrained to what's available on your smartphone's keyboard.