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I am not going nuts about this, but the news is all over the blogosphere. I started a thread on this at Search Engine Watch Forums. The about us page is the only current visible page available at http://pack.google.com/pack/about.html.
If you click on the Google Pack logo you are sent to http://pack.google.com/pack/pack_installer.html then redirected to the Google Accounts page. There is also an empty http://www.google.com/support/pack page.
Looks like it will be live very very very soon.
Forum coverage at Search Engine Watch Forums.
