Google Glass users receive monthly updates to their wearable device, with the latest "XE8" update including new Google Now cards, new voice commands, and a better video player application.
The new voice actions on Glass include "post an update" and "take a note" which work well with applications like Path and Evernote, letting Glass users use these services much easier, and more on-the-go thanks to wearing the device, and using your voice to add notes. The new Google Now cards include Reservations and Events, Movies and Public Alerts, as well as more commonly-used Now cards like Weather, Sports and Traffic.
These cards will now be shown to the left of your timeline, and will become available as needed after the update has pushed to your Glass unit. There's a new Volume card in the settings, hashtag in captions and a new "send a birthday message" card available in the XE8 update.