HowZAT combines instant chat with value added services that can be accessed via web browser, feature phone, or smartphone apps. It operates over existing 2G/3G networks and can be integrated via SIGTRAN. Key benefits for operators include universal subscriber access via USSD/web, OPEX savings from faster USSD vs SMS, and offering VAS like mobile marketing to generate revenue. The service allows 2-way chat between browsers and phones and provides a USSD menu on phones for messaging and accessing social/core apps. It can be used to deliver advertising and location-based services to subscribers.