1. 1900 - 1950 1906 -- First "broadcast" radio signal with the human voice (train listening and more access to target language) 1922--Electronic video; 1927--First electronic television transmission (multiple representation/modality: more access to target language) 1928 --The first edition of the Oxford-English Dictionary is completed. Easier access to trustworth reference) 1946 -- The Library School teaches about audio-visual materials and equipment (the beginning of a new way of language teaching)

2. 1950 - 2000 1951 -- First Color Television Broadcast (enhanced qualities of the medium) 1962 -- The PLATO instructional computing system is widely used in college and K-12 classrooms. (computer assisted language teaching) 1989 -- The World-Wide Web begins at the Conseil European pour la Recherche Nucleaire (wide access to target language) 1999 -- Electronic course management and online courses come to the elementary school (distance learning)

3. 2001 - 2030 -- enhanced and widespread fast web connection -- Virtual simulation to create task based language learning environment -- enhanced interaction with learning community including native speakers and ESL learners through holographic technology -- more individualized discovery learning for ESL learners