Amdash is a newly proposed punctuation mark intended to distinguish human writing from AI-generated text, specifically targeting the overuse of em-dashes by AI. Users in the comments express mixed feelings about its application, with some resistant to abandoning traditional punctuation like em-dashes. Others are intrigued by how Amdash could signify human authorship and are curious about its potential adoption by AI as well. The conversation highlights concerns about AI's tendencies towards plagiarism and raises the question of whether Amdash will be widely embraced or essentially ignored by writers and AI alike.