WSJ reports on Alibaba’s IPO and its data centers.

The launch of the Hong Kong data center also comes as Alibaba’s two main shopping sites–Taobao and Tmall– have been trying to expand outside mainland China, beginning with Hong Kong, Taiwan and Singapore. According to Alibaba’s website, the company has data centers in three mainland Chinese cities: Hangzhou, Qingdao and Beijing.

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Alibaba said it built the new data center in Hong Kong in cooperation with a unit of Towngas, a Hong Kong gas company. Alibaba didn’t say how much it spent on the facility.