No, you're still serving the same assets. It's only really an issue if your users like seeing where network requests are going and spot the cloudfront URL.
This is based in the AWS EU datacenter in Ireland. However, as far as the law is concerned, we are not yet Safe Harbor compliant, but are actively working on it.
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Not entirely sure about the annual Google Hangout party. A load of people getting drunk in front of their computer sounds like a fairly crappy way of having fun. Surely getting on a plane isn't out of the question is it?