It’s estimated that in under 2 years almost 90% of web traffic by volume will be video. If you have the skills, or can hire a good SEO specialist, it is possible to rank a sales video on Page 1 of Google with relative ease depending on how competitive your niche is. Put a visible call to action in the title which appears in the search engine results page, and link the YouTube video through to your web site and with luck you should have a nice flow of leads as long as your video is listed on Page 1.
Networking, as it used to be called, is a pretty thankless task. The conventional approach to networking was to start with the network of friends and colleagues that you already have; friends and family, your existing clients, your contacts at the squash club and so on. Most people feel uncomfortable pitching to friends and family, unless you have an unbeatable idea or concept, but if that was the case, then lead generation would not be a problem