As far as I understand the purpose of WhatsApp, Americans use SMS instead. The ones I talk with anyway. Everyone either has unlimited texting (the price of wh

As far as I understand the purpose of WhatsApp, Americans use SMS instead. The ones I talk with anyway. Everyone either has unlimited texting (the price of which isn't considered since they get it with a cell plan that they want for other reasons (probably data)), or keep it under the monthly free limit.