Twitter for beginners: http://www.crowinfodesign.com/downloads/twitter.pdf
Mashable.com: Billed as a "Social Media Guide," the site has plenty of how-to and explainer articles about all the major social networking sites.
The Alban Institute: from Congregations magazine, fall 2008: The New Connectivity: How Internet Innovations are Changing the Way We Do Church."
Additional Resources Print Resource Reaching Out in a Networked World: Expressing Your Congregations Heart and Soul by Lynne Baab (The Alban Institute, 2008)
“The New Connectivity” special issue of Congregations, Fall 2008, Volume 34:4. http://www.alban.org/bookdetails.aspx?id=6496
Activating a Brand on Twitter: http://www.attentionmax.com/blog/2009/02/activating_a_brand_on_twitter.php
LinkedIn (and Facebook and Twitter): What's the Dif? http://hildygottlieb.com/2009/01/27/twitter-for-linkedin-users-or-linkedin-for-facebook-users-or/
Christian Computing Magazine http://www.ccmag.com/ccmag_issues/view_issue2.php?recordID=1
Christian Video Magazine http://www.christianvideomag.com/