Some experts have commented that Angel Ambush was not 'real' augmented reality at all, because the virtual angel was just a layer of video manipulated by a human operator, rather than an independent 3D object.

BBC: Augmented reality goes beyond gimmicks for business

Writing an exploit program that can break those virtual boundaries isn't easy, says SANS Web security researcher Johannes Ullrich, and sandboxing would add a significant layer to the Web's armor.

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