Being mobile: Interaction on the move 13
expressions, body postures and movements, manipulations of objects, etc.)
are combined in the creation and understanding of meaningful social
actions.
The detailed consideration of multimodal resources depends in a crucial
way on the technologies for documenting social action. As the majority of
the first studies in conversation analysis indeed used audio recordings, it is
no accident that the first systematic analyses were based on data collected
from telephone conversations. By using such data the analyst could be cer-
tain that participants were not relying on their mutual visual access. As
Schegloff (2002: 288) put it,
for studying co-present interaction with sound recording alone risked missing
embodied resources ...