"I'm very afraid of things like this, " Matthews said.

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They are afraid of what these things will be able to do (and because no one has really shown off yet what they do that fear is at least partially justified).

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"One of the things we were afraid of when we developed this game was that the name Zombie Gunship may be taken, " says Keshmirian.

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Of course there is no escaping that there are valid things to be afraid of.

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Rudy Giuliani is not afraid of trying to do Big Things.

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"We choreographers get our fingertips on that world everyone else is afraid of, where there are no words for things, " he told Jerome Robbins.

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There are things in this world to be afraid of, and criticalities are among them.

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On the other hand, true innovation at lightning pace means any developer will get some things wrong, and not be afraid of that.

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"Even somebody like me who is not afraid to take risks has to fight against the Japanese way of doing things, " Morita says.

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