Out of all the changes Elon Musk has pushed through at Twitter, rebranding the company to X fits him best. It’s not a business model change, such as pushing paid subscriptions, or a new product feature like allowing longer tweets. Instead, it’s the most outward example of Musk putting his stamp on the company.

In coming up with rationale for the rebranding, Musk put forth an argument of Twitter evolving into something…