This document provides information on building applications that integrate with Google Glass, including guidelines on designing for Glass, inserting and updating cards, subscribing to user data through APIs, and handling user actions like sharing photos. Code snippets demonstrate calling APIs to get a user's location, insert contacts, and handle callbacks when a user shares content. The document emphasizes keeping Glass experiences timely, relevant and avoiding interruptions or unexpected behavior.
19. Guidelines
Design for Glass
Keep it timely and relevant
Do not get in the way (CNN, Twitter, GMail)
Avoid the unexpected (time, frequency, location)