But for a time, there was a joint involvement in resource protection that provides a model of how people with opposing social views can come together in support of the environment that we all share.

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In our business model, historically clients have paid for two user-initiated views in order to generate one earned media view.

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"We have a real revenue model, a traditionally based one with real margins, not just page views, " says Clayton, who has recruited some big brains from Yahoo, including the creator of Yahoo IM, as well as engineering talent from Facebook and Skype.

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Views on things like climate change, war and peace, the present capitalist economic model and poverty would all be welcome contributions to the public discourse, rather than lectures on gay marriage.

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Health systems are turning to another model known as Four Habits, which teaches doctors how to create rapport with patients, elicit their views, demonstrate empathy and assess their ability to follow a treatment regimen.

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The Post seems likely to emulate the metered model adopted last year by The New York Times, which permits users a limited number of free page views per month before requiring a subscription.

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