What is "yy"

abbr. year, in two-digit, numeric format, as in: dd/mm/yy alt. year, in two-digit, numeric format, as in: dd/mm/yy

YY or variants may refer to:

• YY, the call sign prefix for radio stations in Venezuela
• Peptide YY 3-36, a peptide secreted by the gut in response to a meal, and reduces appetite
• YY (social network), a major Chinese social network
• yy (digraph), digraph used in various Latin alphabets
• Yy (musician), Canadian musician
• Y. Y., pseudonym of Robert Wilson Lynd (1879–1949), Irish essayist

YY is a major Chinese video-based social network with over 300 million users. It features a virtual currency which users can earn through activities such as karaoke or creating tutorial videos, then convert to real cash. Launched in 2005 as duowan.com , it originally targeted gamers, before broadening to include video streaming and chat features for uses such as concerts, sport and fashion. Users exchange "virtual roses" as a kind of currency, with top users said to earn as much as $20,000 per month. In November 2012, YY listed on the NASDAQ.