Guests prepare for the start of an Apple event on Tuesday, Sept. 9, 2014, in Cupertino, Calif. Along with larger iPhones, Apple is poised to unveil a wearable device — marking its first major entry in a new product category since the iPad's debut in 2010.

Marcio Jose Sanchez—AP

Marcio Jose Sanchez—AP

Guests prepare for the start of an Apple event on Tuesday, Sept. 9, 2014, in Cupertino, Calif. Along with larger iPhones, Apple is poised to unveil a wearable device — marking its first major entry in a new product category since the iPad’s debut in 2010.

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