+1 on the send button placement. Also when I clicked on the emotiocons, I was expecting a popup to open right below the icon. But the emoticons panel opened up

+1 on the send button placement. Also when I clicked on the emotiocons, I was expecting a popup to open right below the icon. But the emoticons panel opened up in the left sidebar, totally hiding the to list. But, I do like the Metro UI, though. Clean!