Found this picture via Oscar Berg (Common and real concerns about internal micro-blogging) – originally it’s a real continuum, going from 10 to 1 in one straight line … good question included here:
“The digital age has transformed the ways in which we communicate with each other. The combination of technology and power of information brings new ways on HOW, WITH WHOM and WHY we communicate. We are connected with more people than ever before. Do more options to communicate with each other connect us or alienate us more?”
Yet, I wouldn’t say that Twitter is confined to level 1 light-weight “broadcasting” – as it allows for a myriad of individual uses that might entail a high dose of “ambient intimacy” too.