iWiW (abbreviation for International Who is Who) is a Hungarian social networking web service starte on April 14, 2002 as WiW (Who Is Who). As of 2007 August, it has 2,6 million registered users with real names. The site is invite-only. Every user can provide personal information such as the place they live in, date of birth, schools and universities they attended, workplaces, interests and pets. One can find friends by a search tool or looking through one's acquaintances' acquaintances.