A new issue of the JOURNAL OF COMPUTER-MEDIATED COMMUNICATION is available at: http://jcmc.indiana.edu/vol13/issue1/ Be sure to check out the special theme section on Social Network Sites, guest edited by danah boyd and Nicole Ellison! A Table of Contents is included below. --------- Volume 13, Issue 1, October 2007 The Rules of Beeping: Exchanging Messages Via Intentional "Missed Calls" on Mobile Phones - Jonathan Donner IM=Interruption Management? Instant Messaging and Disruption in the Workplace - R. Kelly Garrett and James N. Danziger Email Flaming Behaviors and Organizational Conflict - Anna K. Turnage Take Me Back: Validating the Wayback Machine - Jamie Murphy, Noor Hazarina Hashim, and Peter O'Connor The Impact of Language Variety and Expertise on Perceptions of Online Political Discussions - Kenny W. P. Tan, Debbie Swee, Corinne Lim, Benjamin H. Detenber, and Lubna Alsagof Every Blog Has Its Day: Politically Interested Internet Users' Perceptions of Blog Credibility - Thomas J. Johnson, Barbara K. Kaye, Shannon L. Bichard, and W. Joann Wong Writing for Friends and Family: The Interpersonal Nature of Blogs - Michael A. Stefanone and Chyng-Yang Jang Mein Nick bin ich! Nicknames in a German Forum on Eating Disorders - Wyke Stommel University Instructors' Acceptance of Electronic Courseware: An Application of the Technology Acceptance Model - Namkee Park, Kwan Min Lee, and Pauline Hope Cheong The Creative Commons and Copyright Protection in the Digital Era: Uses of Creative Commons Licenses - Minjeong Kim --- Special Theme: Social Network Sites --- Social Network Sites: Definition, History, and Scholarship - danah m. boyd and Nicole B. Ellison Signals in Social Supernets - Judith Donath Social Network Profiles as Taste Performances - Hugo Liu Whose Space? Differences Among Users and Non-Users of Social Network Sites - Eszter Hargittai Cying for Me, Cying for Us: Relational Dialectics in a Korean Social Network Site - Kyung-Hee Kim and Haejin Yun Public Discourse, Community Concerns, and Civic Engagement: Exploring Black Social Networking Traditions on BlackPlanet.com - Dara N. Byrne Mobile Social Networks and Social Practice: A Case Study of Dodgeball - Lee Humphreys Publicly Private and Privately Public: Social Networking on YouTube - Patricia Lange ---- This issue and all past issues of JCMC are available at http://jcmc.indiana.edu/ ----