“Glass is essentially several layers of timeline. You have your main timeline. Kinda like your twitter feed of things you’ve done and received. You have a timeline with information (or cards) hiding in bundles. You have a timeline of options (share, reply, etc.) hiding in cards. Yes, it’s still a little bit complicated to understand, because surprisingly there’s still no one video presented by Google that drives the idea forward. But most work flows will involve tapping something you’re interested in, then sliding through cards, then tapping a card, then sliding through options.”

Link: First Look: How The Google Glass UI Really Works (fastcodesign.com)