An in-depth study by Forrester in 2010 found that a page with a video on it is 53 times more likely to achieve a page one result on Google.
This is considering that the page and video are both used in conjunction with typical SEO methods.
In the world of marketing today, the fastest growing segments are social media and SEO. With these snowballing into the biggest tools used by online companies to market their products, videos are propelling some sites above others.
Via Antonino Militello, Brian Yanish - MarketingHits.com, John van den Brink, Ivo Nový