A new Facebook BUG!

Facebook these days after millions of user are facing lot of server problems and bugs. Still the number of users are increasing per day. No one is worried about their privacy or security? There chat is worst ever and was rated very bad by many websites and blogs.

Today, I was chatting with my friend and he was just trying to annoy me with lot of messages per second, woof there opened a hundred chat box on my browser. Now was it the browser problem or the Facebook's.
The bug can be used by lot of spammer's to hang the browser or irritate the users.