This allows for games built on the system to have more precise, one-to-one mapping of player movement in real-life to that on the screen.

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And having a large apps ecosystem is regarded as one of the necessary declarations of being a real player in the OS marketplace.

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Raul left the Bernabeu in July 2010 to join Schalke, and has now scored 69 Champions League goals, as well as one in the Uefa Super Cup and one in the Intercontinental Cup (both as a Real Madrid player).

BBC: Raul

"His reputation for controversy continues to increase when he can be such a good player, one of the world's best, so it is a real dilemma now, " Taylor told Sky Sports.

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Every spectator, every player wants to know that every contest they are playing in is a valid and real contest, not one that's been affected by corruption.

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Article 18 of Fifa's regulations does not stipulate any possible sanction against Real, but does state that one club have to inform another in writing if they are to start negotiations with their player.

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The obvious difference is that only real plagues kill real people, though the permanent loss of a character can be a traumatic experience for an enthusiastic player, and one he will try hard to avoid.

ECONOMIST: Epidemiology

The 26 year-old player, who moved to Real from French champions Lyon last year, has also bounced back to become one of the fans' favourites again after a loss of form during the middle of the season.

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