Whatsapp is almost the same as sms that you normally use on old mobile phone. But whatsapp use pulses, but rather internet data. now whatsapp is very populer because whatsapp has many features. show number worldwide rose april 2013 to february 2016, and now whatsapp reaches millions of user. the chart show about the number of monthly data and monthly active whatsapp user worldwide from april 2013 to february 2016. each month increased mostly 50 to 100 hundred.
The conclusion is whatsapp increase april 2013 to february 2016 because whatsapp has many features.