Just downloaded the new Hangouts for Chrome (available at this link). I'm impressed, although people say it's like Facebook Messenger (I don't know, I don't have a Facebook account).
We use Hangouts for department communications (and a few off the record comments) mainly when we can't get a phone signal, such as at the student village. We use Google Apps for Education so we all have an account automatically.
The new look is shown in the video below: