Debbie Stier

A keynote interview about the anticipated launch of Google's "Google Editions" digital book program kicked off the Publishing Business Virtual Conference & Expo.

Vook, which recently introduced a new media product called a "vook" that blends text and video, has announced a partnership with HarperCollins imprint HarperStudio. Earlier this month, the Emeryville, Calif.-based company announced a similar partnership with Simon & Schuster to release four inaugural vooks.

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