Facebook, a large social networking site has kept a major step towards the group chat and video chat by seeing Google's features. Moreover, G+ has created a hell lot of tension for the Facebook developers. So FB is trying a lot to push G+ down and retain first place in the world of social networking.
Facebook has come up with group chat option just like the Gmail's feature but they yet to come up with video chat which will be available very soon to all users as per the news provided by Facebook founder Mark Zuckerberg. Moreover, for the users who need group video chat, they will have to pay some amount for skype.
We have to wait and see whether Facebook video chat feature make huge impact on users when compared to Google's video chat and hangout feature of G+.