OoVoo ia free service for instant messaging, phone calling and video chatting. It was released first in 2007 and currently have approx. 46 Million registered users.
OoVoo also recently released a Facebook app that functions similar to Google Hangouts, enabling Facebook users to take part in group video chats.
OoVoo also recently released a Facebook app that functions similar to Google Hangouts, enabling Facebook users to take part in group video chats.