Mental Floss was founded in a Duke University dorm in 2001 by Will Pearson and Mangesh Hattikudur, who were freshmen when they came up with the concept for the magazine. Fast forward to 2017, and the magazine was featured in the highest-grossing film franchise of all time—the Marvel Cinematic Universe. Mental Floss in Film and TVCourteney Cox in 'Friends' promotional shot | NBC/GettyImagesThis was far from the first time that Mental Floss has appeared onscreen. Some fans from The OA have even linked Mental Floss magazine to evidence that certain scenes are occurring in different dimensions. Mental Floss’s print magazine was discontinued in 2016, but the company lives on digitally and still sells books, merch, and calendars.