1. Screen shot 2013 12 12 at 2.30.22 pm Duolingo Team Img 2758 Gregory Hartman Pro

  2. Img 2758 Gregory Hartman Pro

  3. Img 2758 Gregory Hartman Pro

  4. Img 2758 Gregory Hartman Pro

  5. Img 2758 Gregory Hartman Pro

  6. Img 2758 Gregory Hartman Pro

  7. Screen shot 2013 12 12 at 2.30.22 pm Duolingo Team Img 2758 Gregory Hartman Pro

  8. Img 2758 Gregory Hartman Pro

  9. Img 2758 Gregory Hartman Pro

  10. Img 2758 Gregory Hartman Pro

  11. Img 2758 Gregory Hartman Pro

  12. Img 2758 Gregory Hartman Pro