Yost created the Antic Software publishing unit for Antic Magazine in 1984 after Jack Tramiel bought Atari Computer from Warner Communications and shut down the Atari Program Exchange [REF].
Yost met Tom Hudson at the Fall 1985 Comdex trade show and they began planning a suite of 3D animation tools for the Atari ST line of microcomputers, which became the Cyber Studio suite of animation products, beginning with CAD-3D 1.0, released autumn 1986 [REF].