The cost of producing video for your target client has dropped dramatically making it very accessible to a broad range businesses. Video allows the customer to vividly see the benefits of your product / service before they buy, reducing the risk or concerns they may have. Also, as most people source information from the web, video helps boost your credibility, increasing the level of trust of potential customers.
Video also help communicate and answer very effectively one of the biggest question all potential customers have on their mind. ?What do other people saying about this product (or service)??. The combination of customer referrals plus video is one of the most effective forms of advertising.