It is not something that you can see and touch except using a remotely operated vehicle.

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If you spot something attached to a cash machine that looks illegitimate, think carefully before you touch it, warned Mr Krebs.

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Things like the affectionate touch to your face, the knowing smile when you do something nice for someone, the tear in their eye when you are sad or have been hurt by life, the smile when you are happy and they are sharing in it, the arms that hold you close daily.

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