Watch this video to learn how Antonio Graceffo uses ALG, Automatic Language Growth theory, to teach English in Taiwan. ALG is a listening based second language acquisition theory developed by Dr. J. Marvin Brown, an American Linguist. The method is currently being employed in Bangkok, where David Long heads a Thai language program, while furthering ALG research and development. Antonio studied ALG with David Long and is expanding its use for EFL, TESOL, and ESL.