Newsgroups

A good place to start looking for discussion boards and newsgroups related to your area of interest is Google.

Newsletter

ListOpt Paid Newsletter Subscriber Service

Publishing your own opt-in e-zine is the foundation of any online success. It's so pivotal, in fact, that in many cases, it can make good business sense to invest in building your list by purchasing subscribers. Of course, don't even consider making the investment until your newsletter is ready for prime time.