What ways can we use to communicate with visitors in a museum

Guided tours, audio tours, Downloadable audio files from museum website, Podcasts, Vodcasts, Website, Flyer's, Text in the exhibition, Catalog, Magazines, Posters, Pictures, Video, DVD, Cd-rom, MP3 players like I pod, Games, Online resources for students/ teachers, Books, headphones in the exhibit, Lectures, Courses, Animations, Television programs, Interpreters, Database, Virtual tours