This document discusses mobile platforms and why businesses should utilize them. It first provides a history of major mobile platforms from 1999 to present, showing Apple iOS and Google Android switching as the top platforms from 2011-2013. Second, it lists several reasons why businesses should engage with mobile platforms, such as access to billions of users, location-based services, and tailored advertising. Finally, it outlines an in-class activity where students will analyze details of mobile platforms in small groups and debate which platform is superior.