Trade involves the transfer of goods or services from one person or entity to another, often in exchange for money. A system or network that allows trade is called a market.
The product of mental labor — science — always stands far below its value, because the labor-time necessary to reproduce it has no relation at all to the labor-time required for its original production.
Karl Marx Addenda, "Relative and Absolute Surplus Value" in Economic Manuscripts (1861–63).
Want to know what the weather will be like tomorrow? A simple internet search will provide a forecast, or, more likely, many forecasts. How can you be sure which one is accurate? And what if you also want to know the pollen count because you are allergic, or pollution levels because you worry about your child's asthma? EU-funded researchers are answering those questions with an innovative online platform providing easy access to comprehensive, accurate, localised and personalised environmental and meteorological information.
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