Factsheet: Using newsgroups and forums

In any industry it is always worthwhile getting together with like-minded individuals to discuss topics of interest. Whether buying new equipment or discussing management techniques, traditionally trade shows and seminars have always been the main vehicles available, however they are biased to the companies whose wares are being promoted. It would be much better if you could meet up with fellow users to get advice and feedback. The question is: How do you find these people and meet up with them?