in common and you’re taken to a full page view that shows all of your friends as well as separate lists of friends in common and friends that you don't have in common. this way you can also discover new people that you might know in real life, but are not connected with on windows live.
finding friends in common is also especially important when planning an event on windows live events. who wants to go to a party when none of your friends are going?
on the guest list area of every event, you can now quickly see how many of your friends have also been invited to the event. just 