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Programmers work at the Maluuba Inc. office in Waterloo, Ontario, Canada, on Wednesday, Dec. 16, 2015. Several leading Canadian researchers and professors have defected to U.S. tech companies such as Google. Already members of the country's AI community are trying to protect what they helped build. A startup called Maluuba, which makes technology that helps computers talk, is opening a research office in Montreal; the University of Toronto has opened a startup accelerator and this fall launched a program dedicated to AI research. Photographer: James MacDonald/Bloomberg