As many as 3000 languages could disappear within the next 80 years, all but silencing entire cultures. In this quick talk, language activist Daniel Bogre Udell shows how people around the world are finding new ways to revive ancestral languages and rebuild their traditions and encourages us all to investigate the tongues of our ancestors. Reclaiming your language and embracing your culture is a powerful way to be yourself, he says. Here are some tips to save a language from extinction.