Wie können wir helfen?

vdorff

vdorff hat 31. Juli 2017 02:00 einen Kommentar hinterlassen
[the team is always looking for feedback to improve and better the system for both sides] Looking for a compromise in this situation is exactly the problem. Beyond the inexcusable change without no...
vdorff hat 26. Juli 2017 22:37 einen Kommentar hinterlassen
You have undone the thing that made Khan Academy so great. When my students complained that they were getting sent back for getting one wrong out of five, I explained to them that it meant there wa...