Windows Live Hotmail has come cool keyboard shortcuts, some of which are really useful, making it easier to navigate Hotmail!
Select multiple adjacent items : Click first item, and then SHIFT+click last item
Select multiple non-adjacent items : CTRL+click
Move to the previous item in the Inbox or contacts list : Up arrow
Move to the next item in the Inbox or contacts list : Down arrow
Move to the previous folder : CTRL+[
Move to the next folder : CTRL+]
Delete selected items : DEL
Copy text : CTRL+C
Cut text : CTRL+X
Paste text : CTRL+V
Know of any more? Do share!