An app focused promotional video for Windows Phone 7.5 has been added to the Windows Phone YouTube channel. The video show cases the benefits of the Live Tiles, App Connect, multi-tasking and the Web Marketplace. It is these kind of features that Microsoft will need to communicate to consumers to help drive uptake of the platform. 

Video description:

Get a glimpse of the updated app experience on Windows Phone 7.5 (Mango) and see how it truly offers a smarter way to app. Improved Live Tiles (multiple tiles, double sided live tiles, multiple live tile pin); App Connect that connect searches to apps; Intelligent Multitasking, and Web Marketplace. Get the mobile app you want in the fastest-growing marketplace.