When you search for people using the A9 search engine, hits from ZoomInfo are now default.

At A9 you can easily perform a number of specialized searches by ticking a box for e.g. books, images, people, blog search and more.

The A9 search engine, owned by Amazon.com, has a neat, uncluttered interface and some nice features, like this new people search option.

ZoomInfo is a search engine for discovering people, companies and relationships. It specializes in providing summaries describing the person’s work history, education, and accomplishments.

It also enable the users to keep a track of their own history online. ZoomInfo collected and organizes hundreds of millions of bits of information about people from across the Web. You can register to edit your profile, invite colleagues and more.

If this sounds interesting, you might also want to have a look at this ZoomInfo article from SearchEngineWatch.