Owner and president Tim O'Reilly founded O'Reilly Media as a technical writing firm in 1978. O'Reilly Media aims to be an advocate for computer professionals. O'Reilly Media, Inc. company is known worldwide for its computer books (featuring illustrations of animals on the cover), technical conferences, and Web sites. O'Reilly publishes books and software on UNIX, Linux, Perl, Java, Oracle, Windows, and a slew of other operating systems and Internet programming languages. It also has books devoted to topics in business and culture. In addition, O'Reilly Media, Inc. company operates Web sites such as perl.com, xml.com, and OpenP2P.com.