What does ICYMI mean?
ICYMI means in case you missed it — used when resharing something already posted.
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Acronym. Also written in case you missed it.
Where it comes from
Newsroom and newsletter shorthand that moved onto Twitter, where the speed of the timeline made resurfacing older posts routine and required a polite way to do it.
How it is actually used
Its real function is social permission: it acknowledges the audience may have already seen this, which makes reposting acceptable rather than repetitive. Heavily used by brands and publishers, to the point that it can read as filler if the thing being resurfaced is not genuinely worth a second look.
Examples
- "ICYMI: the changelog is live"
- "ICYMI we shipped this last week"
- "ICYMI — thread from Monday"
Can a brand use it? Safe for brands
Safe and standard in professional social use. The only risk is overuse: an account that opens every third post with ICYMI is telling followers it has run out of new things to say.
Related terms
Frequently Asked Questions
What does ICYMI stand for?
In case you missed it. It introduces something being reshared.
When should you use ICYMI?
When resurfacing genuinely useful older content, as a way of acknowledging some of the audience has already seen it.
Is ICYMI too corporate?
It is common in brand and publisher posts, which makes it feel formulaic if overused, but it is not disliked.
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