Historical clue formulations

• Like a book about writing a book, say — 2026-03-16
• Lead-in to -verse — 2025-04-25
• Breaking the fourth wall, say — 2024-12-26
• Parent company of Instagram — 2024-10-29
• What Facebook, Inc. was renamed in 2021 — 2024-10-14
• Mark Zuckerberg's company — 2024-09-23
• WhatsApp owner — 2023-12-19
• Self-referential — 2023-12-11
• Parent company of Facebook — 2023-05-23
• Parent company of WhatsApp — 2023-04-01
• Fortune 500 company whose logo is a blue infinity symbol — 2023-03-19
• Modern lead-in to "-verse" — 2023-02-08
• Parent company of Facebook — 2023-01-17
• Lead-in to physics — 2022-10-24
• Like casting Michael Keaton in "Birdman" as an actor who used to play a superhero — 2022-08-19
• Facebook's parent company — 2022-08-09
• WhatsApp owner — 2022-07-30
• In and of itself? — 2022-04-08
• Parent company of Facebook — 2022-02-20
• Prefix with physics — 2021-12-27
• Self-referential, in modern lingo — 2021-08-23
• Self-referential — 2021-08-02
• Prefix with stasis or tarsus — 2021-04-26
• Like writing about writing — 2021-04-24
• Like writing about how to write — 2021-01-31
• Cleverly self-referential — 2020-12-13
• Like this clue — 2020-08-23
• Like a list of lists of lists — 2020-07-12
• Bone connected to the wrist — 2020-04-26
• Self-referential — 2019-04-24
• Self-referential — 2019-03-14
• Like plays about plays, say — 2018-03-31
• Referring to this clue within this clue, e.g. — 2017-11-26
• Self-referential — 2017-06-14
• Like the "Scream" films — 2017-04-06
• Self-referential — 2017-04-02
• Like thinking about thinking — 2017-02-08
• Like a movie about people making a movie — 2015-10-14
• Like the "Scream" horror films — 2015-08-08
• Like some horror films, in modern lingo — 2014-08-16
• Prefix with physics — 2014-07-21
• Prefix with data — 2014-03-08
• Lead-in for physics ... and pieman? — 2013-11-03
• Self-referential, in modern lingo — 2013-07-22
• Self-referential, in modernspeak — 2013-07-11
• Self-referential, informally — 2013-05-15
• Self-referential, in modern lingo — 2013-04-11
• Carpal or tarsal starter — 2012-12-09
• *Prefix with physics — 2012-09-17
• Self-referential, in modern lingo — 2011-11-29