In addition to virtual classroom environments, social networks have become an important part of E-learning 2.0.[29] Social networks have been used to foster online learning communities around language education.[30] Mobile Assisted Language Learning (MALL) is the use of handheld computers or cell phones to assist in language learning. Some feel, however, that schools have not caught up with the social networking trends. Few traditional educators promote social networking unless they are communicating with their own colleagues.[31]