Platforms & communities
Hashtag
A word or phrase preceded by # that can label or link a topic.
In everyday use
#Branding groups some posts around a shared subject.
What to keep in mind
Adding a hashtag does not guarantee distribution.
Also searched as: hashtags
Further reading
Original explanation and example by Perspectism. Further reading may cover the wider subject, rather than this exact wording. Edition updated 7 October 2026.
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