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Framing online collective behavior within theoretical frameworks developed to describe offline phenomena is common in social media studies. This can limit the scope of analysis because the interplay between user capabilities, intentions, and platform architecture makes online exchanges different from offline interaction. We introduce a novel conception of online publicness, momentary connectedness, which is a structure of polymorphic computer-mediated sociality that includes transactive as well as non-transactive phenomenological online activity. We suggest that Twitter issue-response hashtags can be seen as affordances for momentary connectedness where Tweets that display broad and vague audience dimensions, as well as clusters with different interactional orientations, co-exist within the same topical network. We illustrate this polymorphism of momentary connectedness with a case study of an issue-response network.
Rathnayake et al. (Sun,) studied this question.