The International Society for Augmentative and Alternative Communication (ISAAC) was founded in May 1983 in East Lansing, Michigan, United States. Its stated purpose is to improve the communication abilities and quality of life of individuals with complex communication needs who use augmentative and alternative communication (AAC). ISAAC provides information about AAC services, policies and activities around the world thorough various publications and their website. The society publishes a journal and various other publications, organizes biennial conferences, promotes research on AAC use and AAC development as well as implements various projects.