Source: https://www.researchgate.net/profile/Jorge_Gomes3/post/What_was_the_organizational_model_that_Apple_used_to_follow_at_the_time_of_Steve_Jobs/attachment/59d6458079197b80779a099c/AS%3A453621960712198%401485163312085/download/Ildiko+Hazak+Apple+Presentation.pdf