The document discusses the concept of hypertext, which allows non-sequential reading and linking of information. It was first proposed by Vannevar Bush as a way to organize the rapidly increasing amount of information. Hypertext enables users to explore any document without starting from the beginning. It can also link text to other media like graphics or sound, known as hypermedia. Some benefits of hypertext include ease of tracing references, customizing documents, and collaboration. Challenges include orientation within the network and finding available information. Hypertext has applications in business, education, and personal learning. It can be used to create personalized tutorials and is well-suited for language learning across different skills.