Pivot

The House Gates Built is not normally known as a fountain of innovation. But MS’s LiveLabs has really delivered the future in the form of Pivot. It’a web application — “don’t call it a browser”:
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“Gary Flake: is Pivot a turning point for web exploration?”
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We’re navigating the web for the first time as if it’s actually a web, not page to page, but at a higher level of abstraction… So right now, in this world, we think about data as being this curse. We talk about the curse of information overload. We talk about drowning in data. What if we can actually turn that upside down and turn the web upside down, so that instead of one thing to the next, we get used to the habit of being able to go from many things to many things, and then being able to see the patterns that were otherwise hidden? If we can do that, then, instead of being trapped in data, we might actually extract information. And, instead of dealing just with information, we can tease out knowledge. And if we get the knowledge, then maybe even there’s wisdom to be found.
—Gary Flake, Technical Fellow, Microsoft; founder/director, Live Labs

Also check the TED talk for LiveLabs Photosynth — another Seadragon derivative.