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Originally revealed at this spring's DEMO 09 conference, the Asurion Mobile address book stood out as one of the more memorable mobile products. Still called simply "AddressBook," this social media-infused contacts application is designed exclusively for Android handsets. From within the mobile application, you not only see the profile updates and details from your friends on Facebook, Twitter, YouTube, Flickr and Amazon, you can also interact with some of the networks themselves, posting to walls, leaving comments, etc. However, if you would rather contact your friends through more traditional means, the app lets you phone them using its built-in dialer or you can text them via SMS.

Today at the DEMOfall 09 conference, CallSpark announced a new technology for mobile phone users. The application is a dynamic address book that lets you search for people across multiple accounts and social networks as well as in the popular CRM system, Salesforce, Whitepages, Yellowpages, and Yelp. But CallSpark isn't simply a useful address book service, it also lets you view real-time information about whoever you're calling. For people, that includes the most recent social networking updates from Facebook and Twitter, while for business listings, there's even more interactive content available thanks to customizable listings called "RingPages."