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The Apple logo is displayed on the exterior of an Apple Store on April 23, 2013 in San Francisco, Calif. - 

Techies have descended on San Francisco for Apple's Worldwide Developers Conference. Yesterday the company unveiled a new music streaming service, a new look for its mobile operating system, and a new line of MacBook Air laptops.

CNET's Molly Wood joins Marketplace Tech host Ben Johnson to share her thoughts on the latest.

Follow Molly Wood at @mollywood