Whenever you chat in Facebook ,there is an option of seen which shows

that receiver has seen your message and ignoring you but if you want to disable this option then there is a trick which is very useful to avoid someone without being known and he/she will nor able to know that you are ignoring or seen his/her message.So this trick will enable you to avoid someone without being known.Here i am explain simple trick stepwise so read every step carefully.
You have to install Facebook unseen extension to your browser to disable it but this process is different for most of the major browser.Now I will tell you stepwise:-
For Google chrome:-
- download the fb unseen from the given
- u will see the following screen when u click on it
- click on add to Google chrome
- then it is get enabled and you can utilize it
For Mozilla Firefox:-
- download the grease monkey from the given link
- then download and install Facebook stealth
- now everything is done,you can enjoy this feature now.
For Other Browser:-
For other browser you have to just block a below given url
/ajax/mercury/change_read_status.php$domain=Facebook.com
Now the question arises what happen if you want to enable the same.It is very easy as earlier even more easy.
How To Uninstall:
For Chrome or Firefox
The process is different to reach to the extension menu of the browser as i do not know which version of the particular browser you are using so for that you have to just reach to the tools or option and then go to the option of the extension from there you can disable fb unseen extension.
For other browser
You have to just unblock the url which you have block earlier.
Last Words:
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