1. BBC News item:
http://news.bbc.co.uk/1/hi/england/2784425.stm
2. Cheverst, K., Fitton, D., Dix, A.: Exploring The Evolution Of Office Door Displays. In: O’Hara, K., Perry, M., Churchill, E., Russell, D. (eds.) Public and Situated Displays: Social and Interactional aspects of shared display technologies (to appear)
3. Mobile Data Association,
http://www.mda-mobiledata.org/resource/hottopics/sms.asp
4. O’Hara, K., et al.: Public, Community and Situated Displays: Design, use and interaction around shared information displays, Call for papers (2002), available at
http://www.appliancestudio.com/cscw/cscwdisplayworkshopcall.htm
5. Weiser, M., Seely Brown, J.: Designing Calm Technology, Chaper 6.The Coming Age of Calm Technogy. In: Beyond Calculation. The Next Fifty Years of Computing. by P. J. Denning and R. M. Metcalfe, Copernicus/An Imprint of Springer