The Digital & Social Media track of the Hawai'i International Conference on System Science (HICS) is a convening platform for researchers to share and discuss their cutting-edge research on digital and social media. Defined in a broad sense, digital media are digitized content (text, graphics, audio/video) that can be archived and transmitted over multiple networks such as cable, satellite, telecommunications, and broadband networks to a variety of digital devices from mainframe systems to individual smart phones.
The January 2013 issue of the Technology Innovation Management Review is on the theme Open Source Sustainability. It's available here. Nicolas Julien, Felipe Ortega and I have a paper in the issue on sustainability of Wikipedia.