Fix for FireFox 17+ Rated 5 out of 5 stars

Those who want to fix this Add-on, find it under ~/Library/Application Support/Firefox/Profiles/YOURPROFILE/extensions and under chrome/content, open speakingfox.js and comment out line 49: netscape.security.PrivilegeManager.enablePrivilege("UniversalXPConnect");This will fix the issue and SpeakingFox works again ;)