Photos: Bono's buddy Bill Gates

When U2's lead singer and Microsoft's chairman get together, the talk turns to charitable work.

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This Nokia virtual-reality camera costs $60,000

Good VR doesn't come cheap, as evidenced by Nokia's Ozo 360-degree video camera. Meanwhile, Swatch's next smartwatch has mobile payments, and Blocks lets you build your own smartwatch.

by Bridget Carey