At the device level, responsive design works best if the page contains the type of text and image-based content often found on publisher sites.

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The text-based search was restricted to looking either by type of garment or designer, neither of which he found helpful.

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Patrons can browse through a menu on their table, or type text, with the help of that all-important infra-red sensor, with the information sent back to waiting staff.

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And when handwriting just won't do, there's the Text Notes option, which lets you type your thoughts on the virtual keyboard -- which suffers all the sorts of stuttering lags we've come to expect from touchscreen E Ink keyboards.

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When Johannes Gutenberg invented movable type a half-millennium ago, he also gave us immovable text.

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Both YottaMark and FoodLogiq offer systems that let shoppers type a text code into a mobile phone or home computer, or scan a bar-code using a phone's built-in camera, to find out when the tomatoes on the shelf were picked and which field they came from.

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Additionally, the on-screen keyboard offers a selection of usable layouts, and the predictive text and autocorrect functionality mean you can type reasonably quickly.

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