Book excerpt: Blended learning has recently been gaining popularity within educational fields. Examining the impact that computer-assisted techniques have on foreign language education will provide more effective ways to enhance learning techniques for educators and students alike. Applications of CALL Theory in ESL and EFL Environments is a pivotal reference source that discusses recent advances relating to online teaching and learning of foreign languages. Highlighting relevant topics such as electronic portfolio assessments, corpus linguists, flipped learning models, and student engagement, this scholarly resource is ideal for educators, academicians, students, and researchers that are interested in staying current on the latest technologies and methodologies in foreign language learning.