Hi, I’m Alex Payne and I’m a Director in our Online Product Management team. A couple of news articles and blogs landed today where Google is trying to make the case that existing Office customers (and there are over 500 Million of them worldwide) should hold off on upgrading to Office 2010 and instead utilize Google Docs as a complement to older versions of Office.
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This just isn’t the case.
Source : blogs.technet.com/whymicrosoft
Also interesting : Forrester: Google still a distant Office competitor