Most NLP methods and models focus on text rather than talk. What are they missing? Scattertext plot of words and phrases characteristic of spoken interaction (green) versus written text (purple) in English, with words most characteristic of conversational interaction in the upper left (and shown in a separate inset on the right). High-frequency metacommunicative interjections like uhhuh, hm, wow, um are most typical of talk, and most often underrepresented in text.
Dingemanse, M., & Liesenfeld, A. (2022). From text to talk: Harnessing conversational corpora for humane and diversity-aware language technology. Proceedings of the 60th Annual Meeting of the Association for Computational Linguistics (Volume 1: Long Papers), 5614–5633. doi: 10.18653/v1/2022.acl-long.385 PDF