We call this map the graph.

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In four clicks on an iPad it's possible to change the screen from a view of a world map to a graph of toothpaste prices in India and a sales comparison that shows local brands are gaining share.

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With enough time, I would expect an object map would look similar to the Facebook graph in terms of how connections completely transcend geography.

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Players had to map out their progress in virtual worlds on sheets of graph paper, or write down lengthy passwords to save games.

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