Improving a search function sounds complicated, but Costa says there are many ways to do it, some as simple as making the search box highly visible.

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However, measuring workforce experience is complicated because no single person, department or function owns the experience from end-to-end.

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Although more complicated to use than Napster, they perform the same function of allowing people to exchange music and other files with each other over the internet.

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For one thing, the drug seemed to decrease patient's lung function--apparently the result of the way the insulin, a big, complicated protein, was delivered into the lungs.

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