And I snagged XEET.ai, as well as a few others like xeet.info, .us, and .dev . So even if Elon was joking when he said he was going to change "tweet" to "xeet", at least the joke itself will drive the traffic for awhile.
"The goal of xAI is to understand the true nature of the universe."
I'm afraid "the true nature of the universe" is only revealed to the self-realized and pure of heart, of which we have very few these days on the global stage. But hey, knock yourself out.