This document outlines various ways that teachers can use technology in the classroom. It begins by establishing a philosophy that technology should supplement, not replace, the teacher. It then lists signs that a teacher is using technology effectively in the 21st century, such as having students conduct Skype interviews and create digital portfolios. Potential obstacles to using technology, such as finding time and resources, are addressed. The document proposes numerous tools for teachers to use for tasks like collaboration, presentation, and developing supplemental resources. It concludes by citing references for further developing technology skills.