FB developers seem to have nothing else better to do than move buttons and options around from one release to another. And in the latest versions, say goodbye to having control on when to read and respond to messages coz in their infinite wisdom the developrs thought theyre being a big help by automatically opening the chat window with the latest message from one of your contacts. So say for example, a bunch of contacts are sending you messages around the same time, and as youre chatting with somebody you need to switch to another app to get some info, but when u switch back, the msgr app switches to another chat window that has the latest message received. The developers didnt think about the consequences of doing such i.e. youll be somewhat forced to respond to that contact if he/shes asking you something, before u move back to the other contact u were chatting with. So many times this has happened to me. So annoying and something I could never get used to!