| http://www.w3.org/ns/prov#value | - invention includes: (i) a plurality of gaming machines, each gaming machine including a primary game operable upon a wager by a player, each primary game including a secondary display triggering event, each gaming machine including a player activatable secondary display initiating input device; (ii) a secondary display shared by the gaming machines; and (iii) at least one processor operable to en
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