This document provides an overview of the company ChaCha and how its question answering service works. Some key points:
- ChaCha owns the world's largest natural language question and answer database.
- Users can ask questions and typically get answers within 1 minute from Guides.
- It has over 25 million unique users per month who can ask questions online, by text, voice, or social media.
- The service is free and supported by advertising. It provides concise, timely answers to meet users' individual needs.