Venus made fast work of Russian Anastasia Pavlyuchenkova, beating the 17-year-old 6-0, 6-1 in less than one hour.
Of the one-third of respondents that do research prior to donating, over 70% said they spent less than one hour conducting it.
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In terms of the time they spend with their children, one in four (25 percent) working dads spend less than one hour with their kids each day.
Thirty-nine percent said more than five hours every week, 35% said two to five hours a week and 13% said they spent less than one hour a week overworking.
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"The Surface is a PC, the Surface is a tablet and the Surface is something new that we think people will really love, " Mr. Ballmer said in wrapping up the event, which lasted less than one hour.
Yet it may still not be good enough: the best mini-mill firms can make a ton of steel using less than one man-hour of labour.
Their lawyers earn less in one week than our lawyers charge for one hour.
For less than an hour the partners spoke over one another, questioning the pair about the market, the technology, their backgrounds.
Research indicates that children in families receiving welfare hear less than one-third the number of words per hour as children from more affluent backgrounds and will turn four having heard 32 million fewer words than children from professional families.
But one in six men admitted they spent less than an hour and, in some cases, no time at all shopping for Christmas gifts.
One-third of the episodes lasted less than an hour.
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But one of the most effective workouts takes less than half an hour.
Britain's low pay capital is Cornwall where one in four employees are paid less than 3.60 per hour.
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