He gave the elephants access to an 8-by-8-foot mirror and allowed them to feel it, smell it and look behind it.

WSJ: The Brains of the Animal Kingdom

Dubbed Glass Foundry, the events will introduce developers to Glass, set them up with access to the hardware and familiarize them with the API, called Mirror.

ENGADGET: Google invites Glass pre-order holders to hackathons in New York, San Francisco