Complex sentence: Early conceptualization of organizational media use focused on media characteristics as primary determinants of users communication experience: social presence theorists argued that users' experience interacting via a particular channel depends on how co-present medium allows communicators to feel.
Split into simpler sentences: Early conceptualization of organizational media use focused on media characteristics as primary determinants of users communication experience. Thus, social presence theorists argued that users' experience interacting via a particular channel depends on how co-present medium allows communicators to feel.