"Things That Make You Go Hmmmm..." is a song by American dance group C+C Music Factory. It was released in June 1991 as the third single from the album Gonna Make You Sweat. The single features Freedom Williams and he is also seen in the song's music video. The song was inspired by a running gag on The Arsenio Hall Show, where Arsenio, while allegedly on a long drive, pondered certain thoughts and referred to them as "things that make you go hmmm...."

The C+C song was a success in the US, reaching #4 on the Billboard Hot 100 and #31 on the Billboard Hot R&B Singles chart. It also reached #4 on the UK Singles Chart. The song contains samples from the songs "I'm Shook" by James Brown and "Apache" by the Incredible Bongo Band. The song was certified gold by the RIAA on August 13, 1991 for sales of over 500,000 copies.

The music video was directed by Marcus Nispel and the style of the video was a major trendsetter in the early 1990s. It featured silhouetted animation of dancers jumping and dancing in front of a white background, with a stage visible, but also in silhouette. The story of the song was also interpreted with black and gold cut-out animation that was a departure from the in-vogue 3D CGI animation of the time; however, these 2-D cut-outs ended up being even more progressive.

In American advertising, Coca-Cola was one of the first to advertise special promotions featuring the group in a special, brief cut of their music video. A version of the song was also used in a series of ads for McDonald's.

The ABC television network was one of the earliest media outlets to jump on the C+C bandwagon, advertising their spring 1992 prime-time programming under the takeoff banner, "Shows that make you go...", using a custom version of the song and running ads with a woman posing in front of a white background. Then, for their 1992-93 network campaign, ABC brought out many of their stars to do a complete take-off of the song and video for the It Must Be ABC banner.

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