<prompt> Fingqa isihloko: I-WhatsApp iye yadlula imiyalezo yendabuko yocingo lweselula ngokokuqala ngqá njengoba abasebenzisi bethumela imiyalezo eyizigidi eziyizinkulungwane ezingu-30 usuku ngalunye. Lolu hlelo lokusebenza luvumela abantu ukuba bathumele imiyalezo esheshayo nezithombe nge-inthanethi ngaphandle kokukhokha imali kumhlinzeki wabo wenethiwekhi. Ngokwenhlolo-vo ye-Economist, ukuthandwa kwalo okwandayo kwabangela abantu ukuba bathumele imiyalezo eyizigidi eziyizinkulungwane ezingu-30 nge-WhatsApp ngosuku ngonyaka odlule, uma kuqhathaniswa nemiyalezo eyizigidi eziyizinkulungwane ezingu-20 nge-SMS. I-WhatsApp idlule imiyalezo yeselula yendabuko okokuqala njengoba abasebenzisi bethumela imiyalezo eyizigidi eziyizinkulungwane ezingu-30 nsuku zonke. Izinhlelo zokusebenza zokuthumela imiyalezo ziye zanda kakhulu eminyakeni embalwa edlule ngenxa yokwanda kwama-smartphone kanye ne-3G ne-4G evumela ukuxhumana kwe-inthanethi okusheshayo. Kodwa kulindeleke ukuba lesi sinyathelo sishaye kanzima amafemu ezokuxhumana. Inkampani yocwaningo i-Ovum ithole ukuthi ukwehla kokusetshenziswa kwemiyalezo yendabuko esikhundleni sezinhlelo zokusebenza zokuthumela imiyalezo kulinganiselwa ukuthi kubiza abahlinzeki benethiwekhi yeselula amaRandi ayizigidi eziyizinkulungwane ezingama-54 ngonyaka ka-2016. I-WhatsApp inabasebenzisi abangaphezu kwezigidi ezingama-450 ngenyanga futhi ithi njengamanje ibhalisa abasebenzisi abasha abayisigidi ngosuku. Ngenyanga edlule, i-WhatsApp, eyasungulwa ngo-2009, yathengwa yi-Facebook ngama-dollar ayizigidi eziyizinkulungwane ezingu-19 - okuyinani elikhulu kunawo wonke ake akhokhelwa inkampani exhaswa ngemali yokuzibandakanya. Esitatimendeni esimemezela lesi sivumelwano, umsunguli we-Facebook uMark Zuckerberg wachaza izinsizakalo ze-WhatsApp ngokuthi zinenzuzo kakhulu. I-WhatsApp inabasebenzisi abangaphezu kwezigidi ezingu-450 ngenyanga futhi ithi njengamanje ibhalisa abasebenzisi abasha abayisigidi ngosuku. Ithola imali ngokukhokhisa abasebenzisi imali yokubhalisa engu-1 ngonyaka, nakuba inikeza imodeli yamahhala.  <response>: Abasebenzisi be-WhatsApp bathumela imiyalezo eyizigidi eziyizinkulungwane ezingu-30 ngonyaka odlule uma kuqhathaniswa nemibhalo eyizigidi eziyizinkulungwane ezingu-20. Kungokokuqala ngqa ukuthi uhlelo lokusebenza lokuthumela imiyalezo ngokushesha ludlule i-SMS yendabuko. Lesi sinyathelo kulinganiselwa ukuthi sizodla abahlinzeki benethiwekhi yeselula amaRandi ayizigidi eziyizinkulungwane ezingama-54 ngonyaka ka-2016. 