“…Our findings are especially critical for language instructors and researchers in East Asian contexts, particularly South Korea, where EFL learners rely heavily on in‐class language learning but the formal system has borne little fruit in terms of fostering students’ communicative competence (Park, ). Although still insufficient to make broad generalizations, Su‐ja's case also may suggest that EFL learners could achieve high English proficiency with little or no formal language instruction (Cole & Vanderplank, ). The significance of having IDLE experiences where students build their own invisible university of rich and authentic multimodal resources (e.g., texts, images, video, audio) and communicate with other English users digitally was also one of the major emerging themes from our data (Dressman & Lee, ).…”