The biggest video sharing service (also the second most used search engine) with more than 1.5 billion users.
It can also be classified as a social media site and is mostly used by teens for this purpose.
About the Author: Chad Klingensmith
Chad is a Sr. SEO Strategist for Rio SEO. He has over 10 years of experience in the digital marketing vertical. He enjoys researching and applying cutting edge marketing strategies to help clients achieve optimal online visibility.