October 2007
December 2005
TutorialMan.com - Find The Best Free Photoshop Tutorials
by ethocom & 10 othersTutorialMan.com - Find The Best Free Photoshop Tutorials
Network effect
by vistaThe network effect causes a good or service to have a value to a potential customer dependent on the number of customers already owning that good or using that service. Metcalfe's law states that the total value of a good or service that possesses a network effect is roughly proportional to the square of the number of customers already owning that good or using that service.
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