Its benchmark for what makes a page relevant as a search result is defined by the number and quality of other sites that link to it.

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Because as a sole practitioner, she is limited by the number of hours in her work day, Nina has borrowed a page from the entrepreneurs she counsels.

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Gamification is being used by a number of companies such as Badgeville, Bunchball, 500Friends and Rypple to add page views, monetization and loyalty or encourage other actions inside of a company.

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Taha Yasseri, a physicist at the Budapest University of Technology and Economics, created a mathematical model that takes into account data such as the number of readers and editors for the Wikipedia page.

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To make a purchase on a website, a MasterPass user would enter a password on the checkout page of a merchant who has installed the service as a payment option instead of typing in their card number, security code and other information that experts say slows down e-commerce transactions.

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