I’ve been using the computer in various ways to witness to people: recommending websites, printing foreign language tracts, and more. If you would like some ideas, check out the categories on my first blog, The Sower. This link will give you a sampling of different ideas. The Sower focuses on sharing your faith as a way-of-life, so these ideas fit with what you are already doing.
Also, check out the creative ideas on the EveryStudent blog. You’ll find some good ideas for using Facebook, for instance.
If you think “internet ministry” is only about setting aside time for virtual relationships, I hope you will visit these two sites to discover how you might use the technology tools you are already familiar with for evangelism and discipleship.