The late Nusrat Fateh Ali Khan, the world famous singer, was allowed to perform, however.

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In addition to fatigue, Fateh said products like Google Glass also carry a risk of visual confusion.

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When I spoke to Mann and Fateh, neither had had the opportunity to try out Google Glass.

FORBES: Could Google Glass Hurt Your Eyes? A Harvard Vision Scientist And Project Glass Advisor Responds

Fateh notes that over the years researchers have documented problems associated with heads-up displays, including those used by military pilots.

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"This is an exciting time for our business, " said Dupont Fabros Chief Executive Hossein Fateh during the company's earnings call earlier this month.

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Sina Fateh, an ophthalmologist and entrepreneur who has filed at least thirty patents related to heads-up displays, says there is reason to be concerned.

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But Fateh Bashagha, the link man for the NTC between Nato and the Misrata rebels, said it was the Nato airstrike that first alerted the rebels to the colonel's attempted escape.

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Uzi Rubin, a missile expert and former Defense Ministry official, told the AP that if the target were Fateh-110 missiles as reported then it is a game changer as they put almost all Israel in range and can accurately hit targets.

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