Cell C “Kung Fu” (00:50)#Duelling Asian kung-fu fighters – yet one fighter’s lip movements are completely out of synch with his speech, the reason being that his mobile network charges different rates at different times of the day, which means that the price of his telephone calls fluctuates. Speaking “out of time” thus helps to save money. Not so with Cell-C-Net, because it charges the same rates 24 hours a day.