Not only is YouTube the most popular video platform on the planet, videos themselves are highly shareable. ... Video can be spread far and wide very easily. You Don't Need a Huge Budget. While there is some merit in having certain types of videos produced by professionals, not every video needs a 6 figure budget. A successful social media platform is a thriving ecosystem where brands, content creators, and users all benefit from leveraging the platform. By this definition, the most effective social media platform channel yet is YouTube.