1. we can see the new notification for all message, friend suggestion or ext and notification itself.
2. the notification how many messages we have is in the left side of web
3. our friend who's online is in the side too.
4. account have new slide menu in the above so it can decrease the places to manage the content
5. chat still there in the corner but why there chat in the side too, it not efective
6. new icon to translate the language
