; (4) provide leadership training for individuals who use augmentative or alternative communication devices, services, or supports, their family members, and persons who provide services and other supports to such individuals, on the use of augmentative and alternative communication devices, services, and supports, and on topics related to self-determination, self-advocacy, and person-centered planning; (5) conduct national, regional, State, tribal, and local training and technical assistance relating to— (A) increase the knowledge and skills related to augmentative and alternative communication devices, services, and supports of family members of individuals with significant disabilities affecting communication; (B) increase the knowledge and skills related to augmentative and alternative communication devices, services, and supports, of speech-language pathologists, special educators, early intervention specialists, administrators, related services personnel, and developmental disability services providers; (C) increase the use of augmentative and alternative communication devices, services, and supports in early intervention services, elementary school, secondary school, and postsecondary education programs; (D) increase the use of augmentative and alternative communication devices, services, or supports in employment settings; and (E) increase the knowledge of the general public to be aware of and interact with users of augmentative and alternative communication devices, services, and supports; (6) develop user-friendly products related to augmentative and alternative communication devices, services, and supports that include— (A) websites; (B) training modules; (C) products that facilitate making choices related to augmentative and alternative communication devices, services, and supports; (D) products that facilitate supported decisionmaking; (E) products that promote literacy and language development; (F) products that promote numeracy