Mozilla Support is a community of volunteers and employees who provide support to users around the world on various Mozilla products, including Firefox, which has over 400 million users. There are many ways to contribute to Mozilla, such as quality assurance testing of applications, helping spread awareness of Mozilla's mission to build a better internet, translating products into other languages, improving websites through coding, creating add-ons for Firefox, assisting with visual design and communications, improving documentation, or teaching others about the web through Webmaker.