iOS 5 Features: Unsecured call warning

Not that many of us are Bond, Borne, or Sarah Walker types, but just in case you might be a target for cellular call eavesdropping, [iOS 5](http://www.imore.com/ios/] will now warn you when you're talking over an unsecured network. If you're a high value target, you're probably avoiding even the secure ones, but if you're simply living next to a nosy neighbor with too much time and Radio Shack kit on his or her hands, it could be handy to know when you're vulnerable.
Anyone glad for this warning?
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Rene Ritchie is one of the most respected Apple analysts in the business, reaching a combined audience of over 40 million readers a month. His YouTube channel, Vector, has over 90 thousand subscribers and 14 million views and his podcasts, including Debug, have been downloaded over 20 million times. He also regularly co-hosts MacBreak Weekly for the TWiT network and co-hosted CES Live! and Talk Mobile. Based in Montreal, Rene is a former director of product marketing, web developer, and graphic designer. He's authored several books and appeared on numerous television and radio segments to discuss Apple and the technology industry. When not working, he likes to cook, grapple, and spend time with his friends and family.