He was one of the people involved in AberMUD.
Cox is employed by Red Hat and lives in Wales.
He is an ardent supporter of programming freedom, and an an outspoken opponent of [software patents]?, the DMCA and the SSSCA?. He resigned from a subgroup of Usenix? in protest, and said he would not visit the United States for fear of being imprisoned after the arrest of [Dmitry Sklyarov]? for DMCA violations.