Paul Butler tests and demonstrates the flexibility of encoding hidden messages within Unicode characters, including emoji.

By chaining the selectors together, he was able to encode invisible messages inside an emoji (or any other Unicode character) ...

Using variation selectors, you can conceal messages of arbitrary length within emoji, or indeed any unicode character. "To be ...

The concept revolves around Unicode's system of representing text as a sequence of codepoints, with each codepoint being a number assigned meaning by the Unicode Consortium.

Discover how hidden Unicode data, including emojis, is being used to exploit AI systems and what developers can do to ...

Anyone can submit an idea for a new emoji. The Unicode Standard -- a universal character encoding standard -- is responsible for creating new emoji. Unicode proposed nine new emoji in November ...

In version 7.0, Unicode also comes with documentation for 250 new emoji characters. Emojipedia has a list of the names chosen for the new emoji, which include “Wind Blowing Face”, “National Park”, ...

Once reserved for romantic partners and other loved ones, the heart emoji can now mean anything—which means it has no meaning ...

Butler said it is highly unlikely that anyone would be able to use this method to hide malware or malicious code in an emoji.

In the early days of online chatting people used different characters on the keyboard as a shortcut to convey an emotion. The happy face :) to convey happiness or joy. The frowny face :( to convey ...

There are more than 40 emojis that use a heart (including the popular heart-eyes emoji). Don’t get too hung up on that number, though. Unicode, the body that decides which emojis are included in ...