Mirror Worlds sued Apple in 2008 over claims of patent infringement, specifically with regards to how documents and media were displayed on-screen.

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Efforts such as Thebrain.com , Mirror Worlds ' ScopeWare and Inxight 's Star Tree were intriguing, but have had only limited success finding customers.

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Soul Mates exist across the two worlds, mirror images of people and animals in both locations.

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Toy designers Worlds Apart have a lab with a one-way mirror at their Cornwall headquarters that allows them to observe how children interact with toys they are developing.

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