original_query: What features does Mozilla Firefox have that distinguish it from other web browsers?
query: What features does Mozilla Firefox have that distinguish it from other web browsers?
answer: Key distinguishing features of Firefox include a robust extension system for customization,  strong support for web standards,  a focus on security (including a bug bounty program), and features like pop-up blocking and private browsing.  It also offers  customizable download management and tabbed browsing.