What obligation do social media platforms have to the greater good? | Eli Pariser

Social media has become our new home. Can we build it better? Taking design cues from urban planners and social scientists, technologist Eli Pariser shows how the problems we're encountering on digital platforms aren't all that new -- and shares how, by following the model of thriving towns and cities, we can create trustworthy online communities.
by contact@ted.com (TED) via TED Talks Daily (SD video)