1990


 * January 29: Michael Spindler becomes COO of Apple Computer.
 * February 19: Adobe Photoshop 1.0 is released for classic Mac OS by Adobe Systems.
 * March 19: The Macintosh IIfx is released along with System 6.0.5.
 * May 7-11: The first Worldwide Developers Conference is held at the San Jose McEnery Convention Center in California.
 * October 15: The Macintosh Classic, LC, and IIsi are released.
 * November: Michael Spindler becomes president of Apple Computer.