Most forms of psychotherapy use only spoken conversation, though some also use various other forms of communication such as the written word, art work or touch. (sciencedaily.com)
But take note of something important here: ebooks sit right alongside various other forms of entertainment. (electricbookworks.com)
There is never really a time when they aren't prevalent considering they appear every time a movie or video game comes out, as well as various other forms of media. (linksaveszelda.com)