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Technology sharing the latest weapon in industry

Moving projects and data fast overrides the value of making everything in secret

Elon Musk, the founder and chief executive of Tesla Motors, said that he was giving away all his electric car company's patents "in the spirit of the open-source movement".

New York

FACEBOOK showed plans last week for drone aircraft that beam lasers of high-speed data to remote parts of the world.

As powerful as that sounds, Facebook already has something that could be even more potent: a huge sharing of its once-proprietary information, the kind of