|We proved the success of this model with PhishTank. People-powered security is absolutely the best approach to tackling Internet security issues.
David Ulevitch, as quoted in Free Web Filtering Service Taps User Input
OpenDNS — which boasts nearly 4 million users worldwide — already has created nearly 40 different categories of Websites for its new Web filtering service. Among some of these categories are adware, alcohol, auctions, blogs, chat, drugs, ecommerce/shopping, gambling, malware, P2P/file sharing, weapons, and webmail