Nellie Deutsch is an education technology mentor who has been teaching English for over 35 years. She advocates for active learning approaches where students take responsibility for their own learning by teaching peers. Deutsch discusses how teaching others can help develop skills like focus, motivation, and social skills. She presents different technologies that can be used to create video tutorials, like Screencast-o-Matic. Deutsch argues that learning through teaching others can be a transformative experience that leads to mindfulness and higher-order thinking.