Windows Phone users have been patiently waiting for a full-fledged YouTube app, and today it has finally arrived. Replacing the glorified mobile web version of YouTube "app," the new version brings all the native Windows Phone 8 love in parity with YouTube's standard features. You can share videos to other social networks, log in to your account to access your favorites and playlists, and even do stuff like set videos, channels, and even search queries as Live Tiles on the homescreen--something unique to Windows Phone. You can grab the new Windows Phone YouTube app right now.
Read More | Windows Phone Blog
Twitter has finally (finally!) released a substantial update to Twitter for Windows Phone. The new version brings the design of the app in line with what you'd find in the iOS and Android variants, with the Home, Connect, Discover, and Me tabs included in the app. Additionally, Twitter for Windows Phone includes Live Tile support, so you can pin specific Twitter accounts, lists, and searches right to your Start Screen. You can grab the update right now.
Read More | Twitter