With the aid of a PR2, Henry was able to scratch an itch for himself for the first time in 10 years.

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So if watching your fantasies play out on TV doesn't quite scratch that itch, you can enact them yourself down at the range -- or get a concealed carry permit, and convince yourself that the only reason you're not Jack Bauer is that the right opportunity hasn't yet presented itself.

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Above all, it's modular, a souped-up tablet with a small collection of docks and cradles designed to scratch your gaming itch from all angles.

ENGADGET

There are also lots of increasingly interesting places for people who are like Wikipedians to go, like Quora or StackOverflow, where discussions are happening, where people can scratch that same itch to learn or to instruct someone else.

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Breaking this itch-scratch cycle can be challenging.

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"I'd like to think that I would do it just like I would scratch if I had an itch, " says Louis-Dreyfus.

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But the ease of finding the itch you want to scratch makes it borderline addictive for the visually literate.

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Having such an account could scratch an investor's "investment itch, " he says, and serve as an educational tool.

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On occasions my hands have been so bad that I have had to wear cotton gloves all day, as they are covered in weeping open sores, and it is impossible not to scratch the eczema, as the eczema itch can be like your skin is crawling, and when you have scratched it, it burns like your hands are on fire.

BBC: NEWS | UK | Scotland | Tayside and Central | New eczema treatments on horizon