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Relative estimation sessions are designed for making quick and rough estimations of large batch of issues (50+). The relative estimation sessions is based on the Team Estimation Game method, employing trello-like interface for smooth issue drag'n'drop user experience. The relative estimation mode is also heavily inspired by techniques known as Magic Estimation or Silent Grouping, so knowing one of them should make you comfortable with the flow. Here is general gist of the session:
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