# Robert Wright on optimism

Author Robert Wright explains "non-zero-sumness" -- the network of linked fortunes and cooperation that has guided our evolution to this point -- and how we can use it to help save humanity today.

- Kind: Talk
- Year: 2007
- Runtime: 19 min
- By: TED.com
- Genres: War, Education
- Archive: [Internet Archive](https://archive.org/details/RobertWright_2006)
- Licence or status: [CC BY-NC-ND 3.0](http://creativecommons.org/licenses/by-nc-nd/3.0/) (as the archive states it)
- Who can watch: Teens profiles and older (the archive gives no rating; placed by Invisible Network from its collection and subjects)

[Watch now](https://invisiblenetwork.ai/watch/archive/ia/RobertWright_2006?play=1)