It comprises of the following categories: Work in Progress, workshops and master classes, demos and videos, the doctoral colloquium, and keynotes. While the proceedings published by Springer Verlag contains the core of the technical program, namely the full papers, the adjunct proceedings includes contributions on ongoing work, thus indicating what our field may become in the future. As a new thing for ECSCW 2013, the Work in Progress category has been introduced. Work in Progress is a

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... ewed track at the conference that offers a possibility to present and discus ongoing work. Work in Progress sessions provide a unique opportunity for sharing valuable ideas, for getting early feedback on current work and preliminary results, and fostering discussions and collaborations among colleagues. Each Work in Progress submission was reviewed by a minimum of two members of the Program Committee. We were able to accept 11 papers out of a total of 19 submissions. This acceptance rate of approximately 58% acknowledges the early-stage nature of the work. The adjunct proceedings also includes three demonstrations, as well as descriptions of the 6 workshops and one master class. We have also included short descriptions of the 7 Ph.D. projects of the participants accepted for the doctoral colloquium, as well as abstracts of the two keynote lectures.