Skype is a great tool to use for God's glory; to get the gospel out to the rest of the world. Operation 513 holds evangelistic Skypecasts every week and you can listen or even get involved with it if you wish.In fact, there is a whole community of people who use Skype for this purpose. Check it out at: http://groups.google.com/group/skypeforchrist/topics?hl=en