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The last couple of years have obviously not been kind to Research in Motion, which is why the company has been hoping to generate some much-needed positive buzz by unveiling portions of its upcoming BlackBerry 10 mobile operating system this week.

BigQuery, a cloud-based service from Google for analyzing very large sets of data, is now publicly available after a period of limited-availability testing, Google said on Tuesday.

AVG Anti-Virus Free Edition was PCWorld's top pick in April 2012's Free Antivirus You Can Trust. It performed well in virtually all of the tests we ran.

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Facebook is mulling changes to its privacy policy that appear to be small, but privacy advocates argue will make a big difference in the way the company collects information on Facebook and non-Facebook users.

As California-based manufacturer GoPro prepares to go public later this year, it has high hopes of expanding its reach among the surfers, mountain climbers and other so-called adventure photographers to whom GoPro wants to sell its novel 3D video devices and gear-mounted cameras.

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Cloud computing is such an attractive, all-encompassing integrated enterprise, data-center-quality, dynamic computing paradigm that every company seems to want to jump on board.