Spying by the NSA, its British counterpart, the GCHQ, and other organizations pushed Google to expand encryption, but protecting searches still falls short of encrypting other important and widely used services like Gmail. However, Google's decision to encrypt searches is a good start, said Charles King, principal analyst with Pund-It.

Search giant Google is expanding the encryption of searches that are placed on its search engine in light of last year's revelations that the U.S. National Security Agency (NSA) was spying on U.S. citizens, according to published reports.

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