 His campaign heavily relied on advertising, including the use of nationally aired television ads, social media influencers, and billboards in high-visibility locations.Bloomberg dropped out of the race on March 4, 2020, after winning only the territory of American Samoa on Super Tuesday while missing the 15% threshold in several states.He subsequently endorsed former Vice President Joe Biden for the nomination, and announced an effort to use his campaign infrastructure to support Biden's primary bid and the eventual nominee.