Spelleri (2002) makes a more practical case for using authentic materials with her adult immigrant learners. She argues that authentic materials offer real language that is contextually rich and culturally pertinent. These materials have a high interest value because of their relevance and because there are at least three layers of learning embedded within them: language learning, cultural insights, and practical application. Authentic materials can customize what textbooks have to make generic because of mass marketing consideration. They can help learners “bridge the gap from the classroom lesson to real life by making immediate use of classroom lessons in their lives” (Spelleri, 2002. p.3). By exposing learners to authentic language can help them develop their predication skills and improve their strategies for dealing with uncertainty in understanding or using target language.