The USSD information text is a service that can be made available on any mobile device that houses a sim card. USSD is great ways to allow all customers to receive messaging while also able respond in real time.
With 85% of the South African market is pre-paid, and likely to have been exposed to or used the 'Please call me' function or checked their airtime balance. Users may not know this but they’re familiar with the simplicity and inexpensiveness of USSD. Which can be used in a variety of creative ways.
USSD only allows text communication and necessitates typing a string for access, it is inexpensive to set-up, host and simple for clients to access