This post is from allaboutagile.com by Kelly Waters.
One technique used by agile development teams is the idea of estimating product features using points. This has a few distinct advantages over estimating in physical units of time.
1. Estimating is very quick because it’s an intuitive estimate of a feature’s size.
2. An estimate in points indicates a feature’s size relative to another, and does not give the illusion of being precise.
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