If I'm typing a tweet in Mountain Lion's new Notification Center panel, is there a way to send the tweet without moving my hands to the trackpad to click the "send" button? I've tried return, enter, ⌘return, and other key combinations, but nothing obvious sends the message.

killall NotificationCenter; open /System/Library/CoreServices/Notification\ Center.app/– Daniel Lawson♦ Jul 27 '12 at 7:54