December 3, 2012
The opt-in feature allows users to quickly access Facebook Messenger from any page on the web. Users can also see their Facebook notifications whenever using the browser and they are given the option to hide the sidebar when not in use.
In a public statement regarding the release of Firefox 17′s new feature Mozilla states:
“As social sites have become a key part of people’s online lives, we want to make it easier to use the Web the way you want.” read more