Alibaba Group, the Chinese e-commerce powerhouse that filed to offer its shares to U.S. investors Tuesday, has stretched its tentacles deep into China's other major Internet companies.
Its mainstay retail businesses, accounting for 83 percent of its $6.51 billion in revenue in the last nine months of 2013, are online marketplaces Taobao, Tmall and Juhuasuan.
Here's a look at those businesses as well as the various other Alibaba investments that give it a stake in social media, maps, mobile Web browsers, online video, brick-and-mortar retail and package delivery:
— Taobao, launched in 2003, is "China's largest online shopping destination," Alibaba says. Think eBay or Amazon, but in China.
— Tmall, launched in 2008, is China's third-party retail platform that lets brands and shops sell directly to customers.
— Juhuasuan, launched in 2010, is a popular group buying marketplace — think Groupon — in China.
— AliExpress, launched in 2010, targets worldwide customers who want to buy products directly from wholesalers and manufacturers in China. Alibaba says many of the site's customers are in Russia, the U.S. and Brazil.
— Alimama, launched in 2007, provides marketing services to Alibaba Group's sellers.
— 1688, formerly Alibaba.com, which launched in 1999, is a wholesale online marketplace in China.
— Alipay, launched in 2004, is a payment processor for Alibaba's marketplaces.
— Alibaba Cloud Computing, launched in 2009, uses Alibaba infrastructure to offer services to other clients much like Amazon Web Services.
— UCWeb Inc. is a Chinese developer of mobile Web browsers. Alibaba has a 66 percent stake.
— Weibo Corp. is a Chinese microblogging site is similar to Twitter or Facebook whose stock is publicly traded on the Nasdaq. Alibaba paid about $1.04 billion for a 30 percent stake.
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