We tend to think of the church in terms of being very local and geographic in nature. But in terms of outreach and ministry, we are now thrust into a borderless, timeless world. The answer to the question is yes. It is not a fad or something just for geeks or computer people. The computer is not just a machine anymore.
People can remain almost anonymous on the Internet and there is good and bad in that.
The implications are that I can navigate my own journey of spiritual discovery and I can do it without being exposed personally. We can provide specific learning material to people that can be both a method of inquiry and learning for the unbeliever or a discipleship tool for the believer. With audio-streaming, messages become global. Web-casting takes the concept of broadcasting and changes the rules. It is about communication and the Great Commisssion.