Slate

This one wonders after seeing their latest product. Aperture, a product for professional photographer, is definitely fantastic. You can check out the demos here http://www.apple.com/aperture/quicktours/#

With a host useful features, the product also provides a good user-interface. Some of them are really innovative and are  bound to be replicated by others. A good UI is what that gives your product an unique edge.

 Information Week reports:

"Collaboration processes require rich content seamlessly integrated into the user's experience," Ken Bisconti, vice president of IBM workplace, portal and collaboration products, said in a statement. "3D collaboration is the next wave of interactive technology for knowledge workers."

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