Xeet is X's fresh take on naming posts—pretty clever branding move. The leaderboard feature rolling out appears to be a creator ranking system under testing. The 4-character naming format checks out technically. If you've already applied for certified creator status, that's probably why the feature showed up on your end first. It's solid for helping content discovery, though the real filter comes down to that 100 yaps benchmark—that threshold will ultimately separate who gets visibility from who doesn't.