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R Clark 1/22/2014 | 8:46:58 PM
SK Telecom SK Telecom is claiming impressive results - churn forecasting and reduction up fourfold from big data analytics.

But it has the ability to use customer search data. It has figured out that when customers start searching for 'data plan' or visits operator comparison sites, a switch is imminent. Not sure if western operators would even be allowed to do that.
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