To see all your messages from across all streams, hit the icon for "Universal Inbox."

The half was when I hit the icon (...)

I shoved my earphones into place and hit the icon that looked like a date and time application.

The half was when I hit the icon but lost the will to live and cancelled it with the home button.

Hit the icon on your home screen or -even better -the dock, and you'll be shooting one second later.