Great point about asking teachers a Q.
Some kids too shy or just not wanting to LOOK LIKE A NERD tend to shy away from direct communication with their teacher & classmates.
I love this NotifyTEACH for Elearning Red.

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Rory is absolutely right..
GAME-CHANGER for all EDUCATION.
Conquer USA..
The world will FOLLOWS.
Gigantic opportunities ahead for us as shareholders imo.