摘要：E-learning has received much attention over the past decade. Its affordability has made educational technologies prevalently available in educational system. However, there exit some challenges. First, there has been a discrepancy between the latest development of learning technologies and the adoption of them in schools. Second, there have been questions about the effective implementation of learning technologies in the current educational system. Third, there have been barriers that slow down the integration of learning technology into school curriculum within formal educational systems.
