This document provides an overview of a presentation on using technology in teaching in the 21st century. It introduces the presenters and discusses how classroom behaviors, needs, expectations, and learning styles are changing with technology. It addresses ethical implications and stories from the presenters' own classrooms about both what not to do and suggestions when using technology. The presentation covers applications and examples of technology in the classroom and includes time for individual and group work. It discusses how students now use social media, smartphones, and online learning at increasing rates and how this impacts 21st century school practices like BYOD policies and the use of learning management systems and technology in the classroom.