You’ll be surprised to know who is next most popular user of hangouts? It the television news and media networks.
Here is a quick video of how it’s been used by TV and media networks
You may be wondering why TV shows and television networks use hangouts. Well television is a one way medium unless you visit their studio or they visit to interview you; which is not possible reaching out and connecting the mass population. This is where Google+ hangouts really help with their amazing two-way communication. With hangouts on air one could broadcast to hundreds or thousands of viewers powered by youtube.
Hosts of television networks and Google+ users now can take full advantage of hangouts and meet with their viewers with convenience of being in their respective studio and living rooms. Amazing huh?