SXSW is one of the largest music festivals in the United States, with more than 1,400 performers playing dozens of venues around Austin over four days, in March. Though it is an industry-based event, SXSW Music links locally with events such as the annual Austin Music Awards show. SXSW is the highest revenue-producing special event for the Austin economy, with an estimated economic impact of at least $110 million in 2008.
In 1994, SXSW added film and interactive conferences. SXSW Film has become one of the world's premiere film festivals, focusing on new directing talent. Similarly, SXSW Interactive has attracted a strong following among web creators and entrepreneurs. SXSW Interactive's focus on emerging technology has earned the festival a reputation as a breeding ground for new ideas and creative technologies. Twitter launched at SXSW Interactive in 2007.
The music event has grown from 700 registrants in 1987 to nearly 12,000 registrants. SXSW Film and SXSW Interactive events attract approximately 11,000 registrants to Austin every March.
SXSW has inspired similar festivals elsewhere, including North by Northeast (NXNE) in Toronto and West by Southwest (WXSW) in Tucson, AZ.
SXSW also offers a free musical samples of featured artists at each festival. The number of songs has grown from 775 MP3 tracks in 2005 to 1267 in 2009.
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