Kenneth Nkosana Makate ( 1977 ) is a South African who invented the '' Please Call Me '' concept , shared the concept with his employers Vodacom and they used it but he was not paid for it .
Kenneth Nkosana Makate ( 1977 ) is a South African who invented the '' Please Call Me '' concept . 
 Makate shared the concept with his employers Vodacom and they used it but he was not paid for it .