Late last month, France's data protection authority, the Commission Nationale de l'Information et des Libertes (CNIL) wrote to Larry Page warning him that Google's new privacy policy might be unlawful in the EU. The CNIL letter was strongly supported by EU Justice Commissioner Viviane Reding, who also requested that Google delayed the implementation of the policy.

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The biggest warning I see running through these advice blogs, however, deals with privacy issues and how careful we must all be when communicating.

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One UK-based privacy advocacy group praised Google for releasing the data, but said it also served as a warning to individuals to be careful about the information they passed on to any online business.

BBC: Google Transparency Report shows rise in data requests