When the PC is obsolete, how will you do this, and this, and this?

Tablets are one-screen ponies. Sure, you can use a tablet as an external monitor for your PC. But (except with Windows 8 tablets) you can’t attach an external monitor to your hardware, and run your tablet OS and apps across multiple displays.

Source: http://www.pcworld.com/article/2034842/when-the-pc-is-obsolete-how-will-you-do-this-and-this-and-this-.html#tk.rss_laptopcomputers

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