I Didn't Know -

While "I Didn't Know" is a common phrase, in the context of "paper," it most likely refers to one of the following creative or musical works:

: A social media feature or community post highlighting heavy layering in paper collage art .

: Social media content like "The Paper Book you didn’t know you needed" featuring risograph workbooks or DIY hacks. Products & Games I Didn't Know

: A track from the 1979 album Fear of Music . Art & Creative Media

: A 2009 R&B song where the singer expresses readiness to "sign them papers" (divorce papers), frequently featuring the lyric "I didn't turn into the man that I never thought I'd be" . While "I Didn't Know" is a common phrase,

: A contemporary lyric video and track by the artist Audrey Nuna.

: A song from the 2017 EP All We Know by the artist Paper Beat Scissors . Art & Creative Media : A 2009 R&B

: Content such as "Everything You Didn’t Know About Paper!" by Mental Floss, which explores the history and science of the medium.