A Brief History of the Letter 'X,' From Algebra to X-Mas to Elon Musk, History
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A math historian explores how "x" came to stand in for an unknown quantity
The Mysterious Allure of a Mogul's Favorite Letter - WSJ
Elon Musk's history with the letter X, from SpaceX to Tesla Model X and xAI
Elon Musk's Obsession With the Letter X: A History
Why Transformations Need To Make Sense: Lessons From Elon Musk's 'X
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Explained Why is Elon Musk so obsessed with the letter 'X'? - Technology News
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Elon Musk's 11 Children: All About His Kids and Their Mothers
Catchword Branding Name review of Twitter rebrand as X
Elon Musk's long obsession with the letter X
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Articles tagged as linguistics
Why is Elon Musk obsessed with the letter X?
Elon Musk's history with the letter X, from SpaceX to Tesla Model X and xAI
Why is Twitter being rebranded as 'X'? Elon Musk's biographer reveals the story that began in 1999 - BusinessToday
What does the letter 'X' mean? Branding experts weigh in