Daadadku waxa ay malaayiin qof ku kaxeeyaan guryahoodii, taas oo xaddidaysa kobaca bulshooyinka barwaaqada ah qaarkood, iyo in ay soo dedejiso hoos u dhaca kuwa kale, sida lagu sheegay daraasad cusub oo faahfaahinaysa sida isbeddelka cimilada iyo daadadka ay isu beddelayaan halka ay ku nool yihiin dadka Maraykanka ah. Labaatankii sano ee ugu horreeyay qarnigii 21aad, khatarta fatahaadda ayaa ku qancisay in ka badan 7 milyan oo qof inay ka fogaadaan meelaha khatarta ah ama ay ka tagaan meelaha khatarta ah, sida lagu sheegay warqad Dec.