The laptops also have the enterprise features businesses and IT administrators require such as global availability, image stability, a three year battery warranty and docking.

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PCs and laptops can also display ePub e-books, as can high end phones such as Google Android devices and Apple's iPhone.

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Ordinary laptops could also soon be getting their power from network cables as work is starting on specifications for Power Over Ethernet Plus which will be able to deliver 30-35 watts.

BBC: NEWS | Technology | Net-powered computer goes on show