Disable Facebook seen option in chat.

Facebook chat has the option called 'seen' which is used to know the status of the message that you have sent to others.
There are plenty of drawbacks in using Facebook, in that Facebook seen option in the chat list is one of the frequent problems that the users are facing. Because if you don't want to interact with the people who send a message on Facebook  this drawback show your thought to the people by producing seen option. But the Facebook is recovering all the present drawbacks with them by giving some tricks. Here is the steps to disable the seen option.

Even though it is a great feature sometimes it may create problem with your friend when you don't want to reply him/her after you have seen the message
Your friend can easily identify that you are ignoring him.Here below is the trick to disable the chat option 'seen'.
In order to disable Facebook seen option in chat you suppose to download an Unseen Extension for your web browser

For Chrome  : Click here!!! 
For Mozilla   : Click here!!!

If you download these extensions, the seen option will be disabled!!!!