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HALF MOON BAY, CA - FEBRUARY 29: Carlos Slim Helu, Chairman of Grupo Carso, speaks onstage at The New York Times New Work Summit on February 29, 2016 in Half Moon Bay, California. (Photo by Kimberly White/Getty Images for New York Times)

HALF MOON BAY, CA - FEBRUARY 29:  Carlos Slim Helu, Chairman of Grupo Carso, speaks onstage at The New York Times New Work Summit on February 29, 2016 in Half Moon Bay, California.  (Photo by Kimberly White/Getty Images for New York Times)