the area became somewhat derelict as the homeless began to camp in the space. San Francisco's rowdy New Year's parties used to happen yearly at the plaza with some sort of civil disruption and rioting happening afterward. In early 1998 city planners began plans to renovate the plaza to create more paved surfaces for easier maintenance, with outdoor cafes, and more levels to the underground garage. Finally in late 2000, the park was partially closed down to renovate the park and the parking garage. On July 25, 2002, the park reopened and a ceremony was held with then Mayor Willie Brown. In 2004 Unwire Now, a company founded by entrepreneur Jaz Banga, launched a free Wi-Fi network in Union Square which was championed by Mayor Gavin Newsom. Union Square hosts many public concerts and events. Public views of the square can be seen from surrounding high places such as the Sir Francis Drake Hotel, Macy's top floor, and the Grand Hyatt hotel. The Union Square Business Improvement District was founded in 1999 and focused primarily on cleaning and safety issues. The BID also deals with marketing, advocacy, streetscapes and capital improvement programs. The Union Square BID has been criticized by some as acting in a harassing manner toward homeless people at times, to deter them from being there. Public art At the center of Union Square stands the Dewey Monument, an column on which stand a statue of Nike, the ancient Greek Goddess of Victory. The monument is dedicated to Admiral George Dewey, a hero of the Spanish–American War for his victory at the Battle of Manila Bay in 1898. The monument was dedicated in 1903. Beginning in 2009, painted heart sculptures from the Hearts in San Francisco public art installation have been installed in each of the four corners of the square. Economy The Tiffany Building is an 11-story, building at Union Square; the bottom two floors contain a Tiffany & Co. store, while the upper floors contain offices. Cathay Pacific maintains its North America regional headquarters on the third floor of the Tiffany Building, The Cathay Pacific North America headquarters moved from Greater Los Angeles and opened in the Tiffany Building in 2005. The only hotel actually located on Union Square is the Westin St. Francis hotel which is celebrated for its historic Magneta Grandfather Clock. It is believed to be the only hotel in the world that