Winter Olympic Games records were set in speed skating largely due to the introduction of the clap skate. The 2002 Winter Olympics were held in Salt Lake City, United States, hosting 77 nations and 2,399 athletes in 78 events in 7 sports. These Games were the first to take place since the September 11 attacks of 2001, which meant a higher degree of security to avoid a terrorist attack. The opening ceremony saw signs of the aftermath of the events of that day, including the flag that flew at Ground Zero, NYPD officer Daniel Rodríguez singing "God Bless America", and honour guards of
Mario & Sonic at the Olympic Winter Games at the Olympic Winter Games" was officially announced via a joint press release by Sega and Nintendo on February 12, 2009. The game was announced as being developed by Sega Japan under the supervision of Shigeru Miyamoto. This title is the third video game collaboration between Nintendo and Sega. According to gaming site IGN, development began immediately after the initial Olympic game was released in November 2007. An iPhone OS app version was released in January 2010 by Sega. Due to only containing Sonic characters, the game is simply titled "Sonic at the Olympic Winter Games". The Wii version of