The jsonovich add-on breaks the new Facebook Messenger for Firefox (Social API).

[GoogleCodeExporter]

Relaying bug report from Harvey ( ‏@cd0 ) via Twitter: 
https://twitter.com/cd0/statuses/273189361850396672

Documentation seems sparse so I'll probably be combing through Firefox source 
again. :-/

Original issue reported on code.google.com by W.Elwoo...@gmail.com on 27 Nov 2012 at 1:07

[welwood08]

I'd be interested to hear from anyone who uses the Social API if this is still relevant considering the very different method used by the new webextension implementation.