4 landmark software features that were created by accident

▤ Summary

This article looks at four widely used software features that emerged from accidents rather than deliberate planning. It explains how adjustable UI settings may have grown out of a calculator app redesign, how the mouse scroll wheel was originally meant as a zoom control, and how undo began as a debugging tool. It also shows how tabbed browsing evolved from productivity software before becoming a web standard. The piece highlights how practical user behavior often reshapes software features into the tools people rely on every day.

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