If you think this user is violating Mozilla's Add-on Policies, please report this user to Mozilla.
Please don't use this form to report bugs or contact this user; your report will only be sent to Mozilla and not to this user.
Blocks sending your 'seen' status from being sent to the other party on Facebook messaging.
NOTE: If you open the other party's inbox, the 'seen' status will still be sent.
Source code can be found on https://github.com/tangrs/unseen-extension