White Question Mark on Reddit

What it signals here

upvote context

Posts titled with just ❔ in certain subreddits signal a mystery post or unsolved situation needing community input.

community use

Used in r/NoStupidQuestions, r/AskReddit, and similar subs to lighten the tone of a question.

subreddit meaning

In mystery or ARG subreddits, represents an unsolved clue or a gap in the community's knowledge.

karma context

Low karma impact on its own — most effective as a supporting character in a longer post or title.

See it elsewhere