Over time, users could build out a comprehensive map of their personal and professional worlds.

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The Maps team has started working with residents like Chris Kalluk to build what it hopes will be the most comprehensive map of the region to date.

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To a comprehensive terrain map of Alaska he adds data on avian flyways, urban settlements, hospital locations and climate.

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And because it could cost billions of dollars over several decades to build a comprehensive brain map, long-term funding could be another challenge.

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But Mr Sharon has balked at the map's demand for a comprehensive freeze on settlements.

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And so I think what the Job Council has been invaluable in providing is a road map for the American people -- not comprehensive, this is just a piece of the puzzle, but pointing to examples of where, if we do some smart things now, we can have a lot better outcomes in the future.

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