Definition of «to move the needle»

The phrase "to move the needle" means making a significant or noticeable impact in a certain situation or making a significant change.

Focusing on moving the needle on public opinion should be considered less of a priority than activating the public that is already concerned. (climateaccess.org)
This doesn't move the needle in favor of applying. (pointsmilesandmore.com)
It's good news for readers, but probably won't much move the needle in terms of overall ebook sales. (thefutureofpublishing.com)
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