You are here: Photosynth, an application in development at Microsoft’s Live Labs, offers an immersive way to view photos of a given thing or place. The software has not yet been released, but Microsoft is demonstrating it online with photo collections such as this one of Venice’s St. Mark’s Square. Credit: Courtesy of Microsoft Live Labs

At last March's Technology, Entertainment, Design (TED) conference in Monterey, CA, a summit that's been described as "Davos for the digerati," the calm-voiced software architect from Microsoft began his demonstration abruptly, navigating rapidly across a sea of images displayed on a large screen. Using Seadragon, a technology that enables smooth, speedy exploration of large sets of text and image data, he dove effortlessly into a 300-megapixel map, zooming in to reveal a date stamp from the Library of Congress in one corner. Then he turned to an image that looked like a bar code but was actually the complete text of Charles Dickens's Bleak House, zooming in until two crisp-edged typeset characters filled the screen, before breezily reverse-zooming back to the giant quilt of text and images.

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