One of the cool features of Windows Phone from the start has been its tight and seamless integration of various sources into common and central places on the phone, like the people hub. To this end, multiple contact entries can be and often even are automatically linked together so information from different origin like Facebook, Twitter or Outlook is aggregated and merged into a single profile. However, this mechanism of deep integration was something that was managed by the operating system and first party apps. As developer, you had no chance of using similar features from within your own apps. With Windows Phone 8, Microsoft has improved this and added a way for us developers to integrate with a user's contacts list.
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Post Contributed by: Kunal Chowdhury
Kunal is the Site Admin and Contributor of Silverlight-Zone. He is a Software Engineer, Microsoft Silverlight MVP, Code Project Mentor and a Code Project MVP. He is also an active Author in SilverlightShow.net and a speaker in various community events. He works on Microsoft Platform and very passionate about Silverlight technology. He started his career in 2007 and achieved various awards during his professional life.
He shares his findings in his personal blog: http://www.kunal-chowdhury.com and he also tweets at: @kunal2383.