Online Research and Discovery
Utilizing a combination of the most powerful search tools and query strings to find publicly available, yet still mostly undiscovered information throughout web. These tools include: common search engines, meta search engines, web directories queries, and specialty search services. The entirety of human knowledge and history has been uploaded to the World Wide Web. The tricks are knowing how to find whatever you are looking for and the ability to discern fact from faulty records and mistakes.
This type of research goes well beyond your basic background check, but does use some of the same principles and services to get there.