Facebook has finally launched Watch Party to all Facebook Groups globally, a tool for allowing groups of Facebook friends to watch the same videos together, live and on-demand, while interacting with each other via the social media platform. It allows users to directly start a Watch Party from their profile or from a video being viewed. Facebook says it is currently testing the ability for people to view Watch Parties with friends outside of groups and will also look at adding Watch Parties for Pages, after receiving positive feedback for use cases like hosting Q&As around particular hobbies such as cooking or crafting, as well as video clips focused on sharing tips or skills. Newly added features of Watch Party…