TED, the most successful of global conferences, encountered a problem of credibility that had its loyal TEDsters up in arms. What did they do? Asked for help. Who did they ask? Everyone. What this new wave of crowdsourcing is telling us about how to deal with dilemmas, as well as ideas. Chris...

This is the era of pervasive data. NSA data collection, consumer analytics, and billions of sensors remind us that we are being quantified, measured, and analyzed as never before. Just as Andy Warhol and James Rosenquist manipulated the mass consumer imagery of their era, artists today play an...