Nokia applied for a patent on Christmas for an innovative communicator-type device that folds out into four attached pieces, presumably two for a keyboard and two for the screen.

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It's not totally clear what this device would even do; Nokia included media, games, and communication in their application, but that's not a hint so much as the company merely covering their bases. Folding gadgets would be a great way to save pocket space without losing functionality, but the design could easily end up clunky if it's not done just right. [Core77]