07:16 PM PST: Some viewers are unable to see some Yahoo!-hosted web sites.
We have received reports that some Yahoo!-hosted web sites are not visible to all viewers. Yahoo! has investigated this matter, and the issue appears to be specific to certain Internet service providers (ISPs). If you are unable to see your Yahoo!-hosted web site, or are told that others are unable to see it, please visit the following link:
If this site does not load, please contact your internet service provider and inform them of the connection failure. Please rest assured that most people around the world are able to see your web site, and we hope that your Internet service provider will be able to help you see your site again quickly.
If the site above does load as normal, there may be something else happening with your web site. Please contact Yahoo! Small Business Technical support.
10:36 AM PST
(11/19/09) This issue has been resolved.