Developer's DescriptionBy GoogleMessage friends, start free video or voice calls, and hop on a conversation with one person or a group.Always stay connected with the new desktop app for Hangouts.Use Hangouts to keep in touch. Message friends, start free video or voice calls, and hop on a conversation with one person or a group.Hangouts Chrome app: Use Hangouts and get notifications as you move from tab to tab in Chrome, or even without a Chrome window open. Position Hangouts anywhere on your screen, even if you have more than one monitor. Keep conversations in a single window or pop out the important ones. View and continue your conversations across devices. Get notifications just once. After you see an alert, it'll be removed on other devices.Notes: Unlike the Chat for Google app, Hangouts doesn't support "invisible status". Mobile carrier and ISP charges may apply.