xs (phones), sm (tablets), md (desktops), and lg (larger desktops).
Each tier of classes scales up, meaning if you plan on setting the same widths for xs and sm, you only need to specify xs.
G. Mark, J. Grudin, and S. Poltrock. Proceedings of the Sixth European Conference on Computer-Supported Cooperative Work, page 159-178. (1999)Problem: How do collocated groups of people interact using desktop conferencing ? Methodolody: Casestudy on using desktop conferencing and application sharing for collocated (same office building) groups 3 month obersving of meetings 1 meeting per week, after each meeting: questionnaire additional collecting of supplementary materials (email, phone calls) additional inerviews with members Result: - technical problem solving over a distance is hardly feasible - coordination problems - trust problems through abstract group - multitasking hinderns engagement Conclusion: - Need for experienced faciliator.
Y. Cai, X. Dong, A. Halevy, J. Liu, and J. Madhavan. Proceedings of the 2005 ACM SIGMOD conference on Management of data, page 921--923. New York, NY, USA, ACM Press, (2005)
E. Ioannou, J. Coi, A. Koesling, D. Olmedilla, and W. Nejdl. Proceedings of the Workshop on Privacy Enforcement and Accountability with Semantics (PEAS2007) at ISWC/ASWC2007, Busan, South Korea, (November 2007)