So you properly backed up your MobileMe documents before service’s official shutdown over the weekend, but what about those at iWork.com? Apple has begun reminding users once again that its online portal for iWork will go dark on July 31, 2012, pushing them to sign in and download any documents stored online before the end of the month. Apple first introduced iWork.com in January 2009 as part of an iWork software update. iWork users could begin sharing their documents online and collaborate on them with third parties, like Google Docs. Read the full story at ARS Technica.