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Tracks Blizzard employees across various accounts.
Found 2 Hidden (Unused?) Emojis in Mei's Emoji Pack
The sheet: https://imgur.com/a/rxZc3vA (two snowmen in the bottom corner)
They are referenced in the game XML, but I could not find the keyword to use them, so, probably, they cannot be used.
KinaBREW
We didn't have time to hook them up. In a future patch they should be usable. :)