ABC Kids Expo, a national tradeshow specializing in products for newborns to teens will move its annual industry exposition from Las Vegas to Louisville, Kentucky, in 2011 and 2012, with the possibility of returning though 2015. The Expo ranks as one of the fastest growing trade shows in the nation, and will generate nearly $12 million to the local economy each year. The Expo has been in Las Vegas since its inception in 2003.