Awareness is an understanding of the activities of others, which provides a context for your own activity. An awaress tool scaffolds awareness.
There are several kinds:
I will add some stuff we did in our C3MS projects. You may in the mean time read the awareness article, that is much more complete - DSchneider 19:05, 12 May 2006 (MEST)
Randall B. Smith (1992), What you see is what I think you see, ACM SIGCUE Outlook,21 (3), 18-23 [1]
M. Stefik, D. Bobrow, S. Lanning, and D. Tatar, WYSIWIS revised: Early experiences w1th mu1ti-user Interfaces. Proceedings of the Conference on Computer Supported Collaborative Work, Dec. 3- 5,1986, Austin Texas, pp 276-290.