Using a form of text messaging similar to SMS, this sends out up to a million short messages a day, encouraging the recipients in their local language to contact the national AIDS hot line.

ECONOMIST: A doctor in your pocket

SmartPay links users' bank accounts to their mobile-phone numbers, enabling them to pay via short messaging services (SMS, or text messaging).

FORBES: Stand Out

A. We are developing new SMS text messaging games and we are looking at signing up intellectual property.

BBC: Playing games with Wap