tracking

Subscribe to our daily email of featured TEDxTalks

This video was filmed at an independently organized TEDx event and uploaded by the organizer. To flag a video (good or bad!), use this form.

A time traveler's primer: Ryan North at TEDxUofT
Viewed 664 times
Added Jun 19, 2013
Share this story
Email
Embed
“What’s the singular technology that has most changed the world?”

What’s the first thing you’d invent if you could go back in time? At TEDxUofT, Ryan North shares his pick -- the answer may surprise you.