??
?? (two question marks, also written as Unicode character U+2047 ⁇) may refer to:
- ??, the chess annotation symbol for a bad move (a blunder)
- ??, an emphasis upon a question
- Null coalescing operator, in computer programming
- In Windows, the Unicode character ⁇ is valid in a file or directory name, though the normal question mark is a reserved character which cannot be so used.
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