BEIJING (March 25): On a crisp early spring afternoon, 89-year-old Teng Quanda held his smartphone and asked the glowing screen — “Little whale, will my stocks rise again?” — causing the room to erupt in laughter.

This scene is not uncommon at the nursing home in Shanghai, where over 20 silver-haired “students” regularly gather to learn how to use the popular AI model, DeepSeek.