Sun introduced the techcorp use of 'Hackathon' at about the same time as OpenBSD ran theirs (Java One and OpenBSD Hackathon both in June 1999). It was probably

Sun introduced the techcorp use of 'Hackathon' at about the same time as OpenBSD ran theirs (Java One and OpenBSD Hackathon both in June 1999). It was probably a coincidence, no attempt at co-opting anything.