The total digitalization of every sphere calls for changing libraries as information and sociocultural centers, ways to fulfill their humanistic mission of harmonious development of individuals. New forms of generation, distribution and providing access to information on the Internet give boost to using podcasts as instruments of communication with library existing and potential users. Podcasting is widely used in broadcasting, journalism, business, culture and education for it enables to communicate reliable information to customers. Though this technology is new to the libraries, podcasts have become increasingly popular in library practice. There are just few case studies on these library activities. The authors examine different approaches to podcast classification; options for their use by the libraries to promote books and reading, as an educational resource, and as an instrument to advocate libraries and improve librarians image. They substantiate the need to implement podcasting technology supporting the libraries’ humanistic mission. They also point to the need to expand the studies on the details of podcasting adaptation to library practice, as well as experience systematization, development of detailed recommendations on creating, using, promoting podcasts in the library sphere.