Email discussion lists are a great way to communicate with a group of people. These are very different from newsgroups, in that there is no central location where you can view threads and join in conversations.
One of several things can happen when you join a discussion list.
Discussion lists can be cool if you find a good one with active participants. It increases communications, and it tends to be a little more real time than newsgroups, yet not as up-to-the-second as a chat.
Some good lists of discussion groups are below.
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