AngelList

Millions of students search the Web for learning daily, but finding good educational materials, making sense of the search results, understanding what's important to learn or where to begin is often daunting.

instaGrok presents any topic in a visual, dynamic web of important concepts and their relationships. Learners can navigate this web based on their interests, adjust the difficulty level of the material, explore quality educational websites/videos/images, take quizzes, keep journals, more.