This document discusses the AIDA model, a communication model used to help companies understand how customers progress through the purchase process. The AIDA model involves 4 stages: Attention, Interest, Desire, and Action. The document provides examples of how Reliance JIO implemented strategies corresponding to each stage of the AIDA model during their product launch, such as generating initial awareness through announcements of free services, building interest with celebrity brand ambassadors, appealing to desires through advertisements highlighting product benefits, and prompting action through retail store launches and subscription options.