Except that it has been possible to use Google Docs offline for almost 2 years now.

It's wrong because they were referring to the entire computer as a "modem"

Re-read the OP. He said x64 is not listed as supported. He Did Not say that it is listed as Not Supported. So, of course you're not going to see it on the page, that's the point. If something isn't listed as being supported, then obviously it's not supported.