Part of the motivation for Musk's rebranding of the Great Banality Laser as X is that he wants to turn it into a sort of super-app with payments, shopping, etc.

Part of the motivation for Musk's rebranding of the Great Banality Laser as X is that he wants to turn it into a sort of super-app with payments, shopping, etc. That and he just has a kooky fascination with the letter X.