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"It's Mac OS X Lion launch day, and we've got you covered for today's news, preparation details and installation help. There are two ways to get Lion installed: the easy way, and the ..."^^<http://www.w3.org/2001/XMLSchema#string>
<http://thenextweb.com/apple/2011/07/20/how-to-upgrade-your-mac-to-os-x-lion/>