Quantcast is a digital advertising company specialized in audience measurement and real-time advertising. As a pioneer of direct audience measurement in 2006, Quantcast today provides in-depth understandings of digital audiences across the Web, allowing marketers and publishers to make smart choices as they buy and sell targeted advertising on the market. More than 1,000 brands rely on Quantcast for real-time advertising. As a leader in Big Data for the digital advertising industry, Quantcast directly measures more than 100 million Web destinations, incorporates over 1 trillion new data records every month and processes as much as 30 petabytes of data every day. Quantcast is headquartered in San Francisco and backed by Founders Fund, Polaris Venture Partners, Revolution Ventures, and Cisco Systems.