On the road, spares can even protect you from yourself, as in when you arrive at the hotel late and frazzled and fall asleep before remembering the nightly recharging ritual for cell phone and computer.

FORBES: Spare Batteries

Ben Sampayo said he was asleep in the Brighton hotel room where the footballers were with the 19-year-old.

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They said Ratner would keep medical equipment in his hotel room, which he used to monitor Jackson's vital signs when the singer was asleep or "under, " as one source put it.

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The Gangnam Style dance looks rather like trying to energetically ride a horse with your underpants on fire so I contemplate leaping around my hotel room in similar vein in an attempt to tire myself out and thus fall asleep before the early morning client meeting I have just flown nearly 9, 000 kilometres to attend.

FORBES: North to the border, Gangnam-style.