The following video most likely uses a green screen, i.e. the “news announcer” is standing in front of a green screen. He has a rather sophisticated background, with a simple video (or powerpoint style presentation going on in the box at the left). Most likely the creator of this video bought or licensed “stock footage” for the background. The bottom of the screen adds to the illusion that you are watching a real news report.
This looks very professional. Many marketers are creating “Google Hangouts” for to drive leads to local businesses. Notice the name of the towns in the video title, along with keywords such as “Hail Storm”.
Notice how the videographer used the same video footage in the next video:
If you are still wondering how “green screen” works, here is a video that gives you the inside scoop.