This document discusses the importance of learning a second language. It provides statistics on the most commonly spoken languages in the world, with English and Mandarin Chinese being the most prevalent. The document also discusses studies showing that exposing young children to a second language from an early age is beneficial and does not cause confusion. It notes that while Australia has a multicultural population that speaks over 200 languages, only 8% of high school students study a second language, so parents often only raise their children to speak English. The document concludes by outlining various effective ways for learning a new language.