The document discusses how technology can be used to develop the four core language skills - listening, speaking, reading, and writing - for language learners. It outlines several ways computers and software can help improve each skill, such as using audio recordings and videos to enhance listening practice, voice chatting and speech programs to improve speaking abilities, electronic dictionaries and websites to boost vocabulary and reading comprehension, and word processing programs and email to enhance writing skills. The conclusion states that while technology is an effective supplement, computers alone are not a substitute for quality teaching.