Most readers will have at least some passing familiarity with the terms ‘Unicode’ and ‘UTF-8′, but what is really behind them? At their core they refer to character encoding… ...

Twitter's new logo, 𝕏, is a Unicode character that's been used in math notation and textbooks for decades, one researcher said.

The Unicode standard is a numbering system; fonts require individual drawings to represent characters.

Unicode is a massive, sprawling effort that pairs a number to every unique character in a language, every punctuation mark, every math symbol, and much more.