Historical clue formulations

• "Beats me," in a text — 2026-04-08
• Texter's "Not sure" — 2026-03-01
• Texter's "Beats me" — 2025-09-28
• Texter's "shrug" — 2025-06-10
• Texter's "you tell me" — 2025-03-05
• "No clue," in text shorthand — 2024-10-21
• Texter's shrug — 2024-10-13
• "Beats me," in brief — 2024-04-02
• "No idea," in a text — 2024-01-07
• Texter's indication of uncertainty — 2023-09-28
• Texted shrug — 2023-09-10
• "Beats me," in textspeak — 2021-09-22