The trading room itself is a low-ceilinged affair about the size of an average living room, with 13 computers lined up along three walls.

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Control room staff took an average of 10 emergency calls every minute between midnight and 04:00 GMT, compared with 180 calls an hour on an average night.

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The central communications information room at New Scotland Yard receives an average of 8, 500 emergency calls each day.

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If we assume 15 percent compound annual growth rate (CAGR) as an average growth target, in 10 years our small IT room would need to support at least 160 racks with over 2, 000 physical servers, and would require almost 5, 000 square feet of floor space.

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Of these 70 thousand households, 30 thousand each with an average of 4.2 inhabitants realize their daily routines in only one room.

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"It takes a bit more choreography than the average room, but if a guest arrives at 4 p.m. for an overnight stay and checks out by noon the next day, we can still offer the spa suite as a 'day package' to another hotel guest, or a resident of the area or someone with a few hours' layover, " thereby increasing revenue.

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