The new Facebook chat box makes navigation to your friends’ profiles more difficult. Since you can no longer click on the name of your chat mate to go to his/her profile, you will have to bother yourself with going to the Search Box.
Minimizing the chat box has become less intuitive. It took me some seconds to figure out where to click.
The Report Spam feature of the new chat box is a good response by Facebook on the growing number of spam attacks via our chat boxes. You no longer have to scour the net or go offline just to rid yourself of those annoying spam (https://www.facebook.com/topic.php?uid=20531316728&topic=6666).by