Twitter’s new logo is a Unicode character from a math alphabets subset. The previous logo was refined over more than a decade and heavily regulated online. The “Twitter X” dates back to 2001 ...

is a symbol included in fonts for mathematical symbols. For example, if you expand the '⍼' included in the mathematical formula / chemical formula font 'Cambria Math', it looks like this.

Twitter's new logo, which was rolled out Monday, also resembles a generic Unicode character known as "mathematical double-struck capital X" that was added to the Unicode in March 2001. Unicode is ...