Yahoo Inc.

Hoover's Yahoo! Inc. Capsule
Yahoo! company profile and investor information including financial reports, news and analysis, industry analysis, competitor information, and company officers.
http://www.hoovers.com/yahoo!/--ID__48043--/free-co-factsheet.xhtml

Wikipedia: Yahoo!
Encyclopedia article about the internet services company, including history, products and services, and criticism and controversies.
http://en.wikipedia.org/wiki/Yahoo!

Yahoo! Company Information
Official portal for corporate, investor, and legal information from the company.
http://docs.yahoo.com/info/

Yahoo! Fan Club
A forum for discussion of all Yahoo services.
http://www.yahoofanclub.com