A couple of important communication axes: Receivers (number, type and level of privacy), Context (threads, or more generally things like being embedded in somet

A couple of important communication axes: Receivers (number, type and level of privacy), Context (threads, or more generally things like being embedded in something like Facebook). I like Roman Jacobson's work on communication functions, which wikipedia used to have a slightly better description of: http://en.wikipedia.org/wiki/Roman_Jakobson http://en.wikipedia.org/wiki/Roman_Jakobson