Historical clue formulations

• Some animation files — 2026-06-07
• Some reactions on Slack — 2024-02-07
• Some social media postings — 2022-09-17
• Some Twitter postings — 2021-12-03
• Some looping online animations — 2017-10-29
• Loopy little films? — 2016-06-12
• Online pics that often move — 2016-01-11
• Bitmap images — 2011-10-07
• Some PC image files — 2007-02-16
• Stored computer images, for short — 2004-01-04