The video here explains the framework, why it's useful, the research behind it, and how to use it. Triple E refers to the focus when incorporating technology use into teaching - Engagement in Learning Goals, Enhancement of Learning Goals, and Extension of Learning Goals.
Questions to ask to determine if the technology provides Engagement in Learning Goals:
Questions to ask to determine if the technology provides Enhancement of Learning Goals:
Questions to ask to determine if the technology provides Extension of Learning Goals:
This site and the "About" tab house many resources for educators wanting to learn more about the Triple E Framework or use it to design their lessons in order to focus on the Learning Goals.