Depends on which genesis of the word 'hackathon' you prefer. OpenBSD and Sun both did 'hackathons' in June 1999, OpenBSD's more of the high-bandwidth collabora

Depends on which genesis of the word 'hackathon' you prefer. OpenBSD and Sun both did 'hackathons' in June 1999, OpenBSD's more of the high-bandwidth collaboration type, Sun's more of the 'promote our APIs' sorts.