Facebook will soon be available on affiliate sites, which will be able to use members' information, with permission.
This is the latest vision from founder Mark Zuckerberg, who told delegates to the annual Facebook conference that Facebook Connect would allow Facebook to run on the whole Web.
Facebook currently boasts 90-million members and is the world's largest social networking site.
It recently opened up to allow third party developers to write applications for it, and has attracted about 400 000 developers so far.
There are about 24 000 applications available on the site.
Facebook Connect aimst to make those applications available outside of Facebook.