News bites: Music industry sales rise

Twitter may really be worth $10 billion, Wall Street Journal columnist Dennis Berman argues.

The Pentagon unveiled a plan to enable its smartphone and tablet users to share classified data, Reuters writes.

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Clearwire plans to tap financing made available by Sprint, complicating Dish's bid for the company, according to The Wall Street Journal.

Cancer fears could prevent Google Glass from ever becoming a phone, Quartz claims.