Semantic IDs for Recommender Systems at Snapchat: Use Cases, Technical Challenges, and Design Choices. - Clark Mingxuan Ju; Tong Zhao 003; Leonardo Neves; Liam Collins; Bhuvesh Kumar; Jiwen Ren; Lili Zhang; Wenfeng Zhuo; Vincent Zhang; Xiao Bai; Jinchao Li; Karthik Iyer; et al. (CoRR, 2026)