This American Life Videos 4 U: I Love You (2015)

A woman named Maia wrote in, saying that she has been with her boyfriend Alex for eight years, but they had never once said "I love you" to each other. So Bianca Giaever helped Maia make a video to finally tell him these three words. Launched on Valentine's day, the video debuted on the New York Times and went on to get almost a million collective views and major press.