Yes, we have validated (at least to some extent). Here's how we've validated it so far. 1. Talking to the people who have bought a course. The most common them

Yes, we have validated (at least to some extent). Here's how we've validated it so far. 1. Talking to the people who have bought a course. The most common theme has been that they were more focused with interactive animations than a video lecture. 2. Sometimes, people want to learn but setting up an environment (even though it's part of the learning) is daunting. Installing libraries, setting up environments etc. We take that friction out. 3. Research from CMU on Interactive Learning for CS is here: http://www.ischoolguide.com/articles/25866/20150916/carnegie-mellon-university-study-interactive-learning-online-courses-moocs.htm http://www.ischoolguide.com/articles/25866/20150916/carnegie... 4. FCC recommends use of interactive books and their research showed 30-80% increase in learning outcomes.