"Participants who are singles introduce themselves during a matchmaking party organized by one of the biggest Chinese matchmaking websites in Shanghai, China on Sunday Nov. 11, 2012. Singles Day was begun by Chinese college students in the 1990s as a version of Valentine's Day for people without romantic partners. The timing was based on the date Nov. 11, or ""11.11"" — four singles. Unattached young people would treat each other to dinner or give gifts to woo that special someone and end their single status. (AP Photo/Eugene Hoshiko)"
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