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WASHINGTON, DC - JULY 17: Vinton Cerf, vice president and chief internet evangelist for Google and member of the National Science Board, testifies during a hearing before the Senate Commerce, Science and Transportation Committee July 17, 2014 on Capitol Hill in Washington, DC. The committee held a hearing on "The Federal Research Portfolio: Capitalizing on Investments in R&D." (Photo by Alex Wong/Getty Images)

WASHINGTON, DC - JULY 17:  Vinton Cerf, vice president and chief internet evangelist for Google and member of the National Science Board, testifies  during a hearing before the Senate Commerce, Science and Transportation Committee July 17, 2014 on Capitol Hill in Washington, DC. The committee held a hearing on "The Federal Research Portfolio: Capitalizing on Investments in R&D."  (Photo by Alex Wong/Getty Images)