Up close with iOS 5: Game Center
Apple introduced Game Center to the iOS platform about a year ago, and while 67 million people have signed up for the service, it hasn't always been as useful as it could be. iOS 5 looks to change that by making it easier to find both friends and games via Game Center.
http://rss.macworld.com/click.phdo?i=31d9d9e86aae608ec9130fac80b0fb77