Larry King is in the Guinness Book of World Records for hosting the longest-running show on the same network and in the same time slot. AFP/Getty Images hide caption

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Marvel Inc. is hoping its simultaneous release of the "Invincible Iron Man Annual #1" in both print and digital formats will boost revenues in the long run. Courtesy Marvel Inc. hide caption

itoggle caption Courtesy Marvel Inc.

Michael Jackson before his BAD world concert tour held at Wembley Stadium, London on July 15, 1988. Dave Hogan/Getty Images hide caption

itoggle caption Dave Hogan/Getty Images