Marketing needs content for it to be meaningful. Getting your business message across is a lot easier if, as it were, there is some meat on the bones. Give it some substance! Given recent google updates as well video content helps immensely with your seo.
examples of business video
The classic article listing business video categories and types can be found here, and yes, if you think about it carefully and correctly there are that many forms of video.
Even small businesses have video within their reach, whether it is made for them by a company such as this or perhaps doing it themselves.