You asked - here it is
- Over 100 thousand quizzes in topics like Common Core, Mental Math & Spelling Bee
- Train to learn, Test to measure performance or Compete with others in the community
- Links to videos on YouTube from Khan Academy, etc
- Scoreboards - See how much time was spent, quizzes solved, effort, performance and more through a full fledged reporting interface
- Class room support - Teachers can now build custom courses, and share with students. Teachers can add more quizzes on different syllabi as the class progress through the year. Private chatrooms around that course so students can interact with teachers.