As lending from banks and venture capitalists has tightened during the economic downturn, crowdfunding presents an opportunity for small-businesses and entrepreneurs to receive capital needed to enter the marketplace.

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Following this logic, high pay will satisfy an employee only to the extent that others receive low pay, which presents an interesting dilemma for employers.

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And they will not be able to receive surprise presents, like special cookies or favorite movies, which are often brought to the space station on supply shuttles when someone starts feeling homesick or maybe a little blue.

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