Drive Sales. Small business can use YouTube to promote their products and services to gain more valuable leads. A video on YouTube is a great referral and call back to your home website. Your video can be seen by many people, optimized, and shared through different social media tools like Facebook and Twitter. Just like blogging putting video content on your website is a must. Even if you have just one video to introduce yourself and your services you are doing more than 99% of your competition.