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- Elon Musk simply tweeted "X" a week after Twitter Inc merged into his X Corp Holdings.
- His affinity for the letter began in the '90s with "X.com" – a domain he repurchased from PayPal in 2017.
- Musk has said X will be an "everything app," and has applied for financial licenses for Twitter.
Elon Musk further hinted at his ambitions to turn Twitter into his long-discussed "everything app" with a single-letter tweet on Monday night: "X."
"Buying Twitter is an accelerant to creating X, the everything app," the billionaire tweeted three weeks before his acquisition went through last October.