1. Carroll, J., Neale, D., Isenhour, P., Rosson, M., Scott McCrickard, D.: Notification and awareness: synchronizing task-oriented collaborative activity. International Journal of Human-Computer Studies 58(5), 605–632 (2003)
2. Czerwinski, M., Horvitz, E., Wilhite, S.: A diary study of task switching and interruptions. In: Proceedings of CHI 2004, Vienna, pp. 175–182. ACM Press (2004)
3. Mark, G., Su, N.: Considering Web 2.0 technologies within an ecology of collaborations. In: Proc. of SociUM: Adaptation and Personalisation in Social Systems: Groups, Teams, Communities, Corfu, pp. 50–59 (2007)
4. Gross, T., Wirsam, W., Gräther, W.: AwarenessMaps: Visualising awareness in shared workspaces. In: Extended Abstracts of CHI 2003, pp. 784–785. ACM, New York (2003)
5. Pendyala, V.S., Shim, S.S.Y.: The Web as the ubiquitous computer. Computing Now, 90–92 (September 2009)