Here's a collection of videos of Tesla officials talking about Model 3. I'll be adding more as I go through my list of videos I've saved.
Elon Musk Germany 2013
JB Straubel (CTO) 2014 Energy Symposium
Elon Musk @ NAIAS 2015
Elon Musk @ NAIAS 2015
https://www.youtube.com/embed/20mVd_C-TOE
Javier Vendura Director of Product design @ Tesla July 2014
Elon Musk Germany 2013
JB Straubel (CTO) 2014 Energy Symposium
Elon Musk @ NAIAS 2015
Elon Musk @ NAIAS 2015
https://www.youtube.com/embed/20mVd_C-TOE
Javier Vendura Director of Product design @ Tesla July 2014