Musk's obsession with the letter "X" can be interpreted from several aspects:
A symbol of business: In Musk's business career, "X" first appeared in X., an online banking company he foundedcom, the name reflects his quest for the unknown, exploration, and future technology. Subsequently, xcom merged and evolved into PayPal, and this early success laid the foundation for a series of subsequent innovative projects for Musk.
A mysterious symbol of technology and the futureThe "x" is often used in the tech world to represent unknowns or variables, implying endless possibilities and unsolved mysteries. For Musk, the "X" may symbolize the big challenges he hopes to solve, such as the colonization of Mars by SpaceX, where the "X" can be a metaphor for rocket trajectories and point to the unknown frontiers of deep space exploration.
Rebranding and strategic considerations: Musk's acquisition of Twitter and its renaming of Twitter to "X" may reflect his brand strategy thinking, which intends to transform Twitter from a traditional social ** platform into a broader and forward-looking technology and service carrier, thereby forming some degree of brand synergy with his other businesses (such as SpaceX, Tesla, etc.) and reflecting his ambition for future technology applications.
With Tesla's continuous R&D and iteration of self-driving technology, such as FSD (Full Self-Driving) mentioned in 2022169.3.Version 1, Tesla is gradually approaching the goal of achieving full self-driving, ** Tesla Model X has become a forward-looking and highly intelligent automotive product.
Personal preferenceMusk himself may simply like the visual effect of the letter "X" or the mystery it contains, and this personal emotion is projected onto his business decisions, making the "X" an iconic element of many of his corporate brands.
Musk's youngest son's name is X A-xii (pronounced close to "ex ash a twelve"), a very unique and futuristic name that was given to their children by Musk and his ex-girlfriend, Canadian ** Claire Boucher (stage name Grimes). X A-XII was born on May 4, 2020 and was later shortened to "X Baby". 
In summary, Musk's obsession with the "x" stems from its multiple meanings, including but not limited to business history, technological innovation symbols, and personal preferences, which have led him to continue to use and give new meanings to the "x" in different business fields. 100 help plan