Allied war planners would have saved much time and, yes, perhaps British and American lives.

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Had he kept his job a few more years and had his investments continued to grow, he's confident he would have saved that much by the time he turned 65.

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Jeff Loucks, a senior manager at Cisco who worked on the study, said 2, 415 mobile users in 6 countries were asked to estimate how much time they saved each week using their personal devices.

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