YouTube is a great marketing channel for brands to tell their story. Viewers can choose to watch an ad, which guarantees views from an audience that is interested. Time on YouTube has risen 74% year over year for 18-to-49-year-olds, according to a 2015 Google Nielsen study. For advertisers, the challenge is to create shareable videos that build personal connections and make viewers want to watch. Learn more about YouTube video ads and get creative best practices.