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I\'m currently working on a large website which is hosted on Amazon Web Services (AWS). This allows us to use scalability feat
Currently, serving webfonts from AWS likely won't work in Firefox and IE 9+ because AWS doesn't support the Access-Control-Origin-Header. See this post on the AWS forums. Seems to be a problem for a lot of people.
Update 7/17/12:
As an alternative to AWS, Google's cloud services support cross-origin file serving. I just set up a bucket to serve webfonts, and it seems to be working. See this blog post and the documentation for more info.