But a new breed of task is becoming a bigger part of the Mechanical Turk mix, where at any moment as many as 350, 000 HITs are open for bids.

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In spectrum auctions, bidding stays open until no new bids are received, at which point the entire auction ends.

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Meanwhile, London Mayor Boris Johnson is seemingly open to hearing more bids for the stadium, and recently had to deny that he was speaking with the NFL about the potential of hosting a London franchise.

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