So long as the advertising doesn't take up too much space on the screen - these services are difficult to use anyway without using up space for adverts.
He said consumers would also be targeted by direct marketing campaigns through messages and adverts delivered by SMS or MMS, but would have to choose to receive these ads.
Vodacom commercial executive director Romeo Kumalo said: “We will use free minutes and SMSes to give incentive to people to opt in to receive these messages.