Unlike conventional marketing, mobile devices are always accessible. Mobile phones are used more than computers for numerous reasons. Marketers have a huge potential to engage with customers anytime, anyplace due to 24/7 network and internet connection. Mobile marketing began with SMS and email and proceeded to Search Engine Marketing, website & blog-based content marketing, social media marketing, video marketing, and in-game marketing efforts. Marketers may use numerous mobile channels to target certain audience groups based on consumer comfort and marketing strategy. Modern mobile marketing efforts include mobile-optimized websites and customized emails. This chapter discusses mobile marketing's importance in organizations’ marketing strategy and mobile marketing difficulties.