Also the ETC (an action group on Erosion, Technology and Concentration)--the same group that had lobbied against Monsanto 's (nyse: MON - news - people ) genetically engineered crops in the 1990s--has called for nothing less than a moratorium on the use of synthetic nanoparticles in the lab and in commercial products.

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This is why the popularity of genres (action, fighting, RPG, etc.) fluctuates every few years.

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How are the users thanked when they perform an action, like new registrations, purchases, subscriptions etc?

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Marketers buy the ads and then figure out their return on investment based on how many people click on them, "like" them (remember the value of a "like") or take some other action (sign up for a contest, download, etc.).

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Which conditions (finance, science-policy interface, economic instruments, etc) should be created in order to stimulate effective action?

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Now, consider that most of what we think of as "big data" is created by deliberate human action: phone calls, Web logs, credit card transactions, etc.

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