The purpose of the present article is to provide language teachers and students, as well as those interested in linguistic research, with a general overview about corpus-based materials, which many scholars consider the latest tendency in English language teaching. Based on Corpus Linguistics research, such materials intend to meet the needs of a new generation to whom English is essential, as it is part of their lives. Starting with an overview of the learning clientele profile, the text then offers a simplified definition of Corpus Linguistics and its object of study, the language use, presents a short historical background, focuses on the use of its findings by material developers and finally states how learners can benefit from this approach.