RIM, the maker of the popular line of BlackBerry smartphones, has acquired Torch Mobile, the WebKit browser developer that’s most known for its Iris mobile browser that runs on Windows Mobile phones, for an undisclosed sum. WebKit is the open-source code that underlines many of today’s mobile browsers found on the Apple iPhone, Palm Pre, and Google Android phones. According to Torch Mobile’s website, “Our team of developers will join RIM’s global organization and will now be focused on utilizing our WebKit-based