Big data offers a goldmine
![Big data offers a goldmine](../../attachement/jpg/site1/20130624/f04da2db11221331d6341f.jpg)
Alibaba and Sina Weibo, with their hundreds of millions of users, produce a huge volume of data every day, every minute and even every second. Provided to China Daily |
Firms capitalize on information gleaned from their many online customers
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