Google Hangouts is a unified communications service developed by Google, which enables users to participate in or initiate video, voice or text chats. Hangouts is built into Gmail and Google+, it can be accessed via computers, iOS and Android devices.
Google Hangouts can also be used to share YouTube videos, images and documents with other members. Its video chat supports both group chats and one-on-one chats. Up to 10 people can participate in the group chat. Its "Hangouts on Air" feature is used to broadcast live video chats that can be accessed by anyone with a Web browser. Google Hangouts can be used as a cost-effective collaboration platform.