Check out the full series of 3 Min Teaching with Tech Tutorials here: www.emergingedtech.com/3-minute-teaching-with-technology-tip-video-tutorial-series/. Tackk is a simple, free tool that makes it a snap to create private or public online discussions about one or more pieces of digital content. Post web content, videos, your own digital content, questions, text, etc., and share them with ease. This a great way to have a dialogue, in class, or as part of an assignment, around digital learning content. A powerful free tool for the digital learning.