From the wonderful Krissy Venosdale a.k.a. @veninspired :
From Helen Keegan a.k.a. @heloukee : http://heloukee.wordpress.com/2014/09/14/why-i-teach/
From Mia Zamora a.k.a. @MiaZamoraPhD
From Howard Rheingold a.k.a. @hrheingold
https://www.entouragebox.com/f/3214e233-38ac-4bfa-b90f-94305fa50395/HowardRheingold.mov
Why do you teach? 
Pingback: We are the audience; we are the performers | Heloukee: EdTech and Digital Culture