This CNET special report examines the tech controversy gripping San Francisco.
A "warrant canary" stating that Apple has "never received an order" under the Patriot Act is missing from its latest two reports -- suggesting such demands have been made.
The advocacy group says Apple, Facebook, Google, and others have done a lot to protect users' privacy.
The company changes how it tallies government requests for data in its second transparency report, following tech firm push back over the past year.
The blogging platform's first biannual report detailing government requests for user data shows it fulfilled 76 percent of the 462 requests it received.
The company received about 320,000 requests for customer information in the US, and just a few thousand internationally.
This story originally miscast some details of the government data requests to Google. US government requests accounted for 42 percent of the global total from January to June 2013. Google's first transparency report covered the period from July to December 2009.
Company releases aggregate numbers on government-made requests for customer data and reiterates need for right to publish more-specific figures involving US National Security Agency. It wants to quiet user fears.
The annual reports, however, will be geared toward "aggregate information" on certain information-gathering activities and will be "limited by our need to protect intelligence sources and methods."
A day after the search giant unveiled its latest Nexus tablets, smartphones and a streaming device, Google announces financial results for the third quarter.
Chipmaker has been looking to unload the service, which was expected to be launched this year but has been delayed.