Nevertheless, the document repeats familiar claims from RIM about its new flagship smartphone having "best in class" HTML5 browser compatibility and performance.

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Browser compatibility issues also plague some of its applications.

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Weighing only 1.4 pounds, the DMT580D also includes built-in WiFi, a Google search browser, and compatibility with the Google Play app store.

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The European Commission began two new antitrust investigations into Microsoft in response to complaints from its rivals, this time focusing on the compatibility of its Office package with other companies' software and the bundling of its Internet Explorer web browser with Windows.

ECONOMIST: Business this week