Whether this is learning to video-call their families who might live in another part of the world or learn how to use WhatsApp to save money on phone bills, for example.
P’un a yw hynny’n golygu dysgu sut i wneud galwad fideo i’w teuluoedd sy’n byw mewn rhan arall o’r byd neu ddysgu sut i ddefnyddio WhatsApp i arbed arian ar filiau ffôn, er enghraifft.