 Ivyigwa vyakozwe hisunzwe amasanamu uraba harimwo ijwi IRM vyagaragaje ubwa mbere ko hariho uturongo tudasa mu bwonko bwabana bakoresha amatelefone ngendanwa agezweho Smartphones ama tabulete ninkino za video amasaha arenze indwi ku musi, nkuko bisigurwa nuwurongoye abagize ivyo vyigwa Dr Gaya Dowling. 