WhatsApp calls may not be as cost-effective as you first thought - Hindustan Times

May 12, 2015 at 05:07PM:

Hindustan Times

WhatsApp calls may not be as cost-effective as you first thought Hindustan Times A new research has revealed that WhatsApp voice calling could be costing you a small fortune . WhatsApp calls, which require a mobile or Wi-Fi internet connection, allows users to make free phone calls to WhatsApp contacts, wherever they are in the world, ... and more »

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