This document discusses educational technologies that instructors use to teach students. It describes a framework with five principles for developing collaborative learning designs: 1) teachers design learning, 2) design worthwhile work, 3) design assessment, 4) foster relationships, and 5) improve practice with peers. The document provides examples of technologies like G Suite and gamification software. It also contrasts teacher-centered methods like lectures with student-centered approaches and the use of high-tech vs low-tech tools. Overall, the document advocates for innovative pedagogies and tailoring instruction to different learner needs.