Dr. Retno Purwani Sari, S.S, M.Hum., a senior lecturer of Program Studi Sastra Inggris, Fakultas Ilmu Budaya, Universitas Komputer Indonesia, Bandung, Indonesia, is gradually interested in research within Pragmastylistics covering social language functions. It brings her to the field of applied linguistic perspectives. Currently, she is working on a research project on how technology motivates attitude and behavior change concerning language style and preference. Persuasive technology keeps her focus on the language functions. In practice, she deals with language functions studying how technology initiates language performance change.