In recent years, there has been increasing interest in the use of video and other technology tools to support professional learning. A growing body of evidence shows how these tools are improving teachers' practice (Borko, Jacobs, Eiteljorg, & Pittman, 2008; Grant & Kline, 2010; van Es & Sherin, 2010). However, there has been less focus on the potential of technology tools to bring promising and proven professional development models to scale. This article looks at how eight grantees of the Investing in Innovation Fund (i3) are using video and other technology tools to strengthen, scale, and sustain their instructional coaching models.