FILE - In this Sept. 27, 2016 file photo, security personnel stands by a logo of the 2018 PyeongChang Olympic Winter Games before an event to mark the start of the 500-day countdown in Seoul, South Korea. The head of analysis for Gracenote, a US-based sports and entertainment provider, is running a sophisticated computer program that predicts Norway, Germany and the US will lead the medal counts. (AP Photo/Lee Jin-man, File)