Organic foods have no proven nutritional advantages over conventionally farmed products, but because they are more labor-intensive to farm and the yields are low, they are far more expensive and because consumer demand for fresh fruits and vegetables is elastic, higher prices mean people buy less of them.

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Although consumers may lag in their understanding of the cloud, many large corporations have no trouble seeing the advantages, and are embracing it.

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Mayer: One of the advantages we have is no mobile OS. We can offer experiences on all platforms.

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Fuel cells offer several advantages: they do not have moving parts and there is no burning involved, so there are negligible emissions of environmentally harmful gases like nitrogen, sulfur oxide and carbon monoxide.

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Several drugs have been dropped as a result, including a diabetes drug that worked fine but had no obvious advantages over similar compounds rivals were testing.

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Other states, some of them no less poor, have woken up to the crucial balance between people and jobs and the advantages that accrue from emancipating women through education and family planning.

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