The Internet is a communications network and a collection of accessible data (that is, facts and information). Facebook is a site on the Internet which aggrega

The Internet is a communications network and a collection of accessible data (that is, facts and information). Facebook is a site on the Internet which aggregates and makes available relationships between people and organizations. If you want to spy, relationships and dependencies are at least as significant as facts. The Social Graph has information that is hard to deduce from documents using a search engine.