Elon Musk has been obsessed with the letter "X" for over two decades, and it's evident in his work. Whether it was his first startup, products at Tesla, or even naming his own child X, his ...

The letter X became the name of Tesla's third model, which debuted in 2015. "The idea being that the Tesla models would spell out the word 'sexy,'" Higgins said.

“X” may take up less space in the dictionary than any of its 23 compatriots but, in terms of its diverse uses, it’s a letter that defines, well, overcompensation.

Kurdish people compose about 20 percent of Türkiye’s population, and letters such as q, w, and x are commonly used in their own language. As Mark Liberman writes at Slate, ...