The casino industry has always relied on the leisure traveler whose primary motivation is to gamble. Thus, one would expect the casino and convention industries to operate in totally different arenas. This was the case until the mid-1990s. Today, the casino industry is embracing the convention industry and constructing facilities to meet the needs of the convention and meeting attendee. This article starts by setting up the framework for this dichotomy between the two industries by tracing the history of casino gaming in the U.S. Discussion leads to a review of how and why there was a lack of conventions/meetings business in both Las Vegas and Atlantic City. The article then goes on to review specific development of the conventions/meetings business in Las Vegas, Atlantic City, and other jurisdictions. It concludes with a prognosis about the future along with opportunities for future research.