In a triumphant post to its blog today, Rackspace announced that Rotatable Technologies is now "an ex-patent troll." This new designation for Rotatable Technologies comes after the US Patent and Trademark Office declared its patent (6,326,978) unpatentable. Last year, Rotatable Technologies decided to go after Rackspace over the patent, demanding $75,000. Rackspace chose to fight not just the case but the patent itself.

What is patent 6,326,978? It was a patent covering "a display method for selectively rotating windows on a computer display including a window for a computer display having a frame and a display portion.

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