Joe BSome important tidbits from Joe Belfiore! The nagging issues of song duplication arising from the cloud music collection sync to phone in Windows Phone 8 has been fixed now in Windows Phone 8.1 it seems. Also, all the Facebook integration, which has been feared missing in Windows Phone 8.1 seems is still there and in fact the new official Facebook app may bring better integration than before.

Also, the new Facebook app may look like the old WP8 app, but brings better integration and integration with Cortana,

He also mentions no significant feature update for office for Windows Phone,