I recieved this from Comcast:

Dear Comcast High-Speed Internet Customer:

As of October 25, 2008, the complimentary Comcast Newsgroups service,
powered by Giganews, will be discontinued. This feature provided
customers access to 2 gigabytes of newsgroup information on a monthly
basis. After this date, these customers will no longer be able to
access the Comcast Newsgroups service through Comcast. Customers who
have subscribed directly to Giganews for newsgroup access will not be
affected by this change.

While we have seen a decline in popularity of newsgroups as customers
have chosen to get information from other sources, we know a small
percentage of our customers continue to use newsgroups today. If you
are interested in continuing to access newsgroups, Giganews is
offering a special promotion for Comcast customers. Click here to
learn more.
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So, I guess this is goodbye for me.

73 de K8CPA