First things first.
Since people like to watch videos on the go, and the number of smartphone users is growing, your video audience keeps getting bigger and bigger.
Video advertisements are also highly effective on social media platforms. Google Loves Videos. Videos allow you to increase the time spent by visitors on your site. Thus, longer exposure builds trust and signals search engines that your site has good content.
Emotionally charged, creative video advertising can be spread on the Internet in a matter of days, getting millions of views. And this is the whole point of video marketing: the only creative survive!