is speech useless

Speech is a powerful mode of communication, but it is neither the only nor always the best means of conveying meaning. Nonverbal channels (facial expressions, gestures, posture, proxemics, tone) often supplement speech by adding emotion, emphasis, or relational cues that words alone cannot carry. For example, a smile can soften a critical remark, and eye contact can signal sincerity. Written channels (letters, texts, emails, formal documents) replace or supplement speech when permanence, precision, or record-keeping is needed. Writing allows careful revision, complex argumentation, and communication across time and distance; legal contracts and scholarly arguments rely on written form for these reasons. Technological channels (video, social media, emojis, VR, AI-mediated messages) blend nonverbal and written elements or create new modes altogether. Technology can translate speech into text, convey tone through multimedia, or enable communication where direct speech is impossible—such as between distant parties, across languages (via translation), or for people with speech impairments (augmentative and alternative communication). In short: nonverbal cues enrich spoken meaning; writing secures clarity and permanence; technology extends reach and creates hybrid forms. Each channel can supplement speech when added nuance or durability is needed, and can replace speech when circumstances demand clarity, distance, accessibility, or new expressive resources. References: Mehrabian, A. (1971). Silent Messages; Herring, S. C. (1996). "Computer-Mediated Communication."