said by »en.wikipedia.org/wiki/Claria_Corporation :Originally released in 1999, Gator was most frequently installed together with programs being offered free of charge, such as Go!Zilla, or Kazaa.[citation needed] The development of these programs is partially funded by revenue from advertising displayed by Gator.[citation needed] As of mid-2003 Gator was installed on an estimated 35 million PCs.[2] It has been installed through misleading or surreptitious means in the past, usually without disclosing that it will be monitoring web browsing habits and displaying ads based on profiling of the user.[citation needed]