Data demand is causing a big shake-up in telecom firms’ business models7 min read . Updated: 26 Oct 2016, 10:45 AM IST
With the growing use of smartphones to access Internet, social media and news, telecom firms are optimizing their multiple networks and investing in IT tools to improve services
On 2 September 2009, The New York Times published an article headlined ‘Customers Angered as iPhones Overload AT&T’.
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