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On July 14 Elon Musk has announced on twitter the launch of x.com website:
Few hours later this tweet was followed by:
And then he twitted a mysterious phrase:
When entering http://x.com you get only a blank page with a letter x on it. URLs of type http://x.com/abc (with any symbols instead of abc) lead you to similar page, but with letter y instead of x.
Could this be some kind of a game by Elon Musk, where you should find the right url(s)?