Associated Press Trump's re-election campaign just bought YouTube's most prominent homepage ad space for the run-up to the election, according to Bloomberg. The campaign purchased ads on the coveted YouTube "masthead," ensuring its message will be seen by millions of the site's viewers, Bloomberg reported. Running ads on YouTube's homepage for multiple days could cost the campaign millions of dollars. Obama made a similar ad buy, running a YouTube homepage ad on Election Day during the 2012 race. Visit Business Insider's homepage for more stories. President Donald Trump's re-election campaign just purchased ad space on YouTube's homepage for the time period leading up to Election Day, according to Bloomberg. The coveted digital real estate, referred to as the "masthead," is seen by millions of viewers every day and could give the president massive exposure during a crucial time period.