w00w00 (pronounced whoo-whoo) was a computer security think tank founded in 1996 and active until the early 2000s.
[1][2][unreliable source?]
Although this group was not well known outside Information security circles, its participants have spawned more than a dozen IT companies, including WhatsApp and Napster.
[3][4] The group at one point included over 30 active participants and spanned 12 countries on five continents.
[1][3][5] The following is a list of some of w00w00's participants: A number of well known companies have been established by its participants.