Q&A platforms are online spaces where users can ask questions and receive answers from other users or experts. These platforms facilitate knowledge sharing and community engagement, allowing individuals to seek help on various topics, from technical issues to personal advice. Popular examples include Quora and Stack Overflow. Users typically create accounts to participate, enabling them to ask questions, provide answers, and vote on the quality of responses. This voting system helps highlight the most useful answers, making it easier for others to find reliable information. Q&A platforms foster collaboration and learning among diverse groups of people.