What if you could trade a paperclip for a house? | Kyle MacDonald | TEDxVienna
More information on http://www.tedxvienna.at
Kyle MacDonald started with a red paperclip and traded it for a pen. Then traded the pen for a doorknob. And so on!
This talk was given at a TEDx event using the TED conference format but independently organized by a local community. Learn more at http://ted.com/tedx