I am using iphone and macbook pro. I have recently purchased ipad and imac and have synchronized all of them. The problem is that my iphone and ipad shows duplicate contacts and calendar items in it. I don't have any ideas why i am getting this problem. Is there anyone who is having some knowledge related with this issue? I am looking to solve this issue as early as possible. Please try to help me out, so that i can come out of this problem. Any suggestion regarding this will be appreciated. Thanks.