usenet is distributed in that different servers carry different groups; there's no central server. Servers carrying the same group communicate with each other to share messages across the internet. When you connect to your isp's newsgroup server, you can only access those groups they choose to carry (though it usually means most of them).
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I can't understand why people are frightened of new ideas. I'm frightened of the old ones. -- John Cage (1912 - 1992)
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