I looked at Mailbox about a month ago and couldn't work out what it did that Gmail for Android didn't already do. Then I looked again a few days ago after the

I looked at Mailbox about a month ago and couldn't work out what it did that Gmail for Android didn't already do. Then I looked again a few days ago after the hype about the sale, and I still can't work out what it does that I don't already have available with Gmail for Android. About the only email addition I'm currently excited about and finding useful is Streak.