One of my favorites is Jack Sim, the Singaporean who took a small bounty from business and set off on a crusade to clean up the world's loos as a disease-prevention strategy.

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On its back, two strips of soft-touch plastic break the back into segments: a removable bit up top that houses the 3.5mm headphone jack, a micro-SIM, a vacant microSD slot (the phone comes with 16GB of internal storage) and a fixed piece at the bottom, above which you'll find the Xperia logo.

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Ports for microSD, SIM and 3.5mm headphone jack are all covered by protective flaps, as you'd imagine.

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You get the same all-around plastic build -- ringed here with metal -- ports for microSD and micro-SIM, 3.5mm headphone jack and physical home key.

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Above this, and centered just beneath the display, is Lenovo's logo, while the 3.5mm headphone jack, mini-HDMI and covered dummy SIM slot (barren for US models) occupy the tablet's left.

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Rounding out the top of the DNA, the power button is flanked by a micro-SIM tray on the right and 3.5mm headphone jack on the left.

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