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The development team estimates project points for components by assigning a single value to each component through discussion that reaches consensus [3]. The strategy the team uses is called Planning Poker [1].

Participants in planning poker include all developers on the team. The goal in estimating each component is a valuable estimate can be arrived at cheaply. In order to estimate component sizes using planning poker, proceed through the following sequence of steps.

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http://en.wikipedia.org/wiki/Fibonacci_number

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