The first issue of "NeXTWORLD" magazine was printed in 1991. It was published in San Francisco by Integrated Media and edited by Michael Miley and later Dan Ruby. It was the only mainstream periodical to discuss NeXT computers, the operating system, and NeXT software. The publication was discontinued in 1994 after only four volumes. A "NeXTWORLD Expo" followed as a developer conference, held in 1991 and 1992 at the San Francisco Civic Center and in 1993 and 1994 at the Moscone Center in San Francisco, with Steve Jobs as the keynote speaker.