In international cricket, an umpire can ask the Third umpire for a decision, and the third umpire makes the ultimate choice. Since 2008, a call evaluate system for gamers to evaluation choices has been launched and utilized in ICC-run tournaments, and optionally in other matches. Depending on the host broadcaster, a number of totally different applied sciences are used throughout an umpire or player evaluation, together with instant replays, Hawk-Eye, Hot Spot and Real Time Snickometer. Hawk-Eye is also utilized in tennis to challenge umpiring decisions.
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