Killer feature

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A killer feature or unique selling point is any feature of a product or service that proves so useful as to make it indispensable. Examples include spreadsheets as a feature of the PC, or social networking as a feature of the Internet. [1]

Analogous to killer application, which specifically refers to software as a killer feature of its compatible hardware (meaning that the software sells the hardware), the term killer feature often more specifically refers to software features that sell the software.

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References

  1. March 2021, Imad Khan 17 (17 March 2021). "iOS 14.5 includes a killer feature that could keep your iPhone around for longer". Tom's Guide.