By chaining the selectors together, he was able to encode invisible messages inside an emoji (or any other Unicode character). Here is how it works: Unicode assigns variation selectors (U+FE00–U+FE0F ...

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.

Social Media - In the digital age, emojis have become an essential language for self-expression, adding personality and ...