Getty Call For Artists on Flickr (excerpt)

When launching the Flickr collection, our goal was to choose photos that created a commercially viable collection, while preserving the inspirational and unexpected nature of the kinds of images that are so prevalent on Flickr.  We’re proud to announce that today the collection has grown to over 60,000 images, many of which have been license by customers from around the world.

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"...Finally, Microstock photography — pictures taken by the world at large and submitted to Getty — sell cheaply and move quickly, and the business could make $200 million in revenue this year, Klein said. It is the company’s fastest-growing business..."