Angry Birds, an addictive birds-versus-pigs game which has been downloaded more than 1.7 billion times worldwide, was one of the most eye-catching examples. The Times and ProPublica said a 2012 British intelligence report laid out how to extract Angry Bird users' information from phones running the Android operating system.
Another document, a 14-page-long NSA slideshow published to the Web, listed a host of other mobile apps, including those made by social networking giant Facebook, photo sharing site Flickr, and the film-oriented Flixster.
It wasn't clear precisely what information can be extracted from which apps, but one of the slides gave the example of a user who uploaded a photo using a social media app. Under the words, "Golden Nugget!" it said that the data generated by the app could be examined to determine a phone's settings, where it connected to, which websites it had visited, which documents it had downloaded, and who its users' friends were. One of the documents said that apps could even be mined for information about users' political alignment or sexual orientation.
Google Inc. and Rovio Entertainment Ltd., the maker of Angry Birds, did not immediately return messages seeking comment on the reports.
The Times' web posting Monday of a censored U.S. document on the smartphone surveillance briefly contained material that appeared to publish the name of an NSA employee. Computer experts said they were able to extract the name of the employee, along with the name of a Middle Eastern terror group the program was targeting and details about the types of computer files the NSA found useful.
Since Snowden began leaking documents in June, his supporters have maintained they have been careful not to disclose any intelligence official's name or operational details that could compromise ongoing surveillance.
The employee did not return phone or email messages from the AP.
Michael Birmingham, a spokesman for the Director of National Intelligence, said the agency requested the Times redact the information. Danielle Rhodes Ha, a Times spokeswoman, attributed the posting to a production error and said the material had been removed.
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