First Monday – Volume 17, number 12 – 3 December 2012

First Monday is one of the first openly accessible, peer–reviewed journals on the Internet, solely devoted to the Internet. Since its start in May 1996, First Monday has published 1,217 papers in 196 issues, written by 1,617 different authors. In addition, nine special issues have appeared. The most recent special issue was entitled “The digital habitat — Rethinking experience and social practice” edited by Jannis Kallinikos, Giovan Francesco Lanzara and Bonnie Nardi. First Monday is indexed in Communication Abstracts, Computer & Communications Security Abstracts, DoIS, eGranary Digital Library, INSPEC, Information Science & Technology Abstracts, LISA, MLA International Bibliography, PAIS, SciVerse Scopus, and other services.First Monday’s ISSN is 1396-0466.

Social media and personal attacks: A comparative perspective on co-creation and political advertising in presidential campaigns on YouTube
by Noortje de Boer, Hannah S?tfeld, and Jacob Groshek

Directions for future cellular mobile network architecture
by Byoung-Jo Kim and Paul S. Henry

Online onslaught: Internet-based methods for attacking and defending citizens organisations
by Brian Martin

Legitimacy and efficacy: The blackout of Wikipedia
by Ayelet Oz

The effectiveness of crowdsourcing public participation in a planning context
by Daren C. Brabham

Promoting sustainability and simple living online and off-line: An Australian case study
by Helen Merrick