In this Inside Windows Phone, epsidoe Shamik Bandyopadhyay (Program Manager for camera on the phone) and Ayman Afanah ( Program Manager for Silverlight on the phone) show you demos that demonstrate the new camera features and walk you through the APIs that you will be using to integrate camera into your apps.
"The Windows Phone codenamed "Mango" release brings new camera APIs for developers to preview the live camera stream, capture videos, seamlessly integrate with the camera's hardware buttons."
Search extras allow applications to integrate and add value to the search experience in Windows Phone. For example, after and finding a movie, search extras can launch the iMDB application to see reviews, buy tickets, etc.)
In this episode of the Inside Windows Phone show, Jared Brown ( Program Manager responsible for Search extras and Bing integration on WIndows Phone) introduces the feature end-to-end, first with some demos and then with a walk through on how an application integrates with extras.