Passage: The concept of the Youth Olympic Games came from Austrian industrial manager Johann Rosenzopf in 1998.  This was in response to growing global concerns about childhood obesity and the dropping participation of youth in sport activities, especially amongst youth in developed nations.  It was further recognized that a youth version of the Olympic Games would help foster participations in the Olympic Games.  Despite these reasons for having an Olympic event for young people, the IOC's response of holding a purely sporting event was negative.  IOC delegates wanted the event to be as much about cultural education and exchange as it was about sports, which is why the Culture and Education Program (CEP) was developed as a component of each celebration of the Games. Jacques Rogge, IOC President, formally announced plans for the Youth Olympic Games at the 119th IOC session in Guatemala City on 6 July 2007.  There are several goals for the YOG, and four of them include bringing together the world's best young athletes, offering an introduction into Olympism, innovating in educating and debating Olympic values.  The city of Singapore was announced as the host of the inaugural Summer Youth Olympics on 21 February 2008.  On 12 December 2008 the IOC announced that Innsbruck, host of the 1964 and 1976 Winter Olympics, would be the host of the inaugural Winter Youth Olympics in 2012.

Question: What year did the concept for the Youth Olympic Games come about?
1998