Overview
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Trends, progressions, and interesting aspects
Possible connections or extensions
Specific examples
Business Professionals Search Systems
- Zoominfo

**ZoomInfo is a vertical search engine focused on people, companies, and the relationships between them. In addition to using the public web as its source to automatically create professionally-focused summaries of the people and companies it finds. ZoomInfo also allows users to collaborate in the construction of its content by contributing information to their own summaries or building new ones where none exist. ZoomInfo has partnersed with Reunion.com and XING to provide additional data. The site powers people search for Amazon's A9.com and Business Week. As of April 2006, ZoomInfo had 30 million summaries of business professionals and 2.5 million company profiles in its database.
Customer Relationship Management Systems