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Techies question the value of tech

By Michal Lev-Ram

HALF MOON BAY, Calif. - Is technology making the world a better place? That's just one of several big questions that a panel of tech luminaries tackled at Fortune's Brainstorm: Tech conference, a three-day, invite-only event that brings together some of the top executives in the industry.

The conference kicked off with a panel on how technological innovation is affecting the world. Participants like Michael Dell, founder of Dell MORE