In-game graphics will approach photorealism to a degree we see now in movies like Avatar, and it will be hard to distinguish them from reality.

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Indeed, it may be hard for most people to distinguish a shallow recession from lacklustre growth.

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Defence lawyer Pascal Rouiller feared it would be hard for the jurors to distinguish between all those on trial.

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All kinds of people are trying to be geeks now, and it means that true geeks are harder and hard to distinguish, she argues.

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