Find whether your gmail contacts use orkut

Now Orkut enables you to check whether your gmail contacts use orkut and also you can add them.You can also invite your contacts in gmail who are not a member of orkut.
Just login to your orkut account and in your home page check the link "find friends" on left panel.It simply gives the some orkut profiles who are in your gmail contacts and not as your friend in orkut.Mark the profiles you want to add them as your friend or you can skip adding them.Then it shows the gmail contacts list who are not in orkut.You can invite them to orkut.This technique only works for gmail contacts.It helped me a lot to find my friends in orkut.For those who are using other mail services wait for some more time, i think they will surely consider this issue also.