This document discusses mobile marketing. It defines mobile marketing as marketing done on mobile devices like smartphones. Some benefits of mobile marketing mentioned include reaching users anytime and anywhere, user-initiated engagement, and ability to closely track user responses. Statistics provided show Indonesia has high mobile penetration rates. Common mobile marketing tactics discussed include SMS, MMS, mobile apps, mobile web, QR codes, and location-based services. Case studies are presented on how Crocs, Adidas, Lancome, and Dairy Queen successfully used various mobile marketing strategies like mobile coupons and apps.