What does 펼치지 않은 책 look like on Facebook?

On Facebook it is the design shipped in 16.0, shown above at full size. Older revisions are listed beneath it.

When did Facebook add 펼치지 않은 책?

Facebook first drew 펼치지 않은 책 in 2.0, released 2017년 2월 20일.

Meta Platforms, Inc. has shipped 12 versions of 펼치지 않은 책. Each is dated, so you can see when the design changed.

Facebook 15.0

This is the design Facebook introduced in 3.0, shipped again unchanged. It was not redrawn for this release.

✳ marks a release that redrew this emoji. The rest re-shipped the design unchanged.

What does 펼치지 않은 책 look like on Facebook?: On Facebook it is the design shipped in 16.0, shown above at full size. Older revisions are listed beneath it.
When did Facebook add 펼치지 않은 책?: Facebook first drew 펼치지 않은 책 in 2.0, released 2017년 2월 20일.
How many times has Facebook redrawn 펼치지 않은 책?: Meta Platforms, Inc. has shipped 12 versions of 펼치지 않은 책. Each is dated, so you can see when the design changed.