Historical clue formulations

• Repeat — 2025-12-05
• Develop through experimentation — 2024-08-02
• Go over again — 2023-08-22
• State repeatedly — 2022-07-26
• Repeat — 2021-11-11
• Continuously improve, in tech-speak — 2021-01-30
• Repeat — 2017-12-01
• Do over and over — 2017-04-27
• Say repeatedly — 2017-04-07
• Say, say, say? — 2016-12-09
• Go over again — 2015-02-11
• Repeat — 2014-03-02
• Go over again — 2012-10-28
• Retell — 2008-10-23
• Do over — 2007-05-05
• Stress, in a way — 2006-06-10
• Go over again — 2005-03-13
• Say over — 2005-01-04
• Echo — 2004-06-20
• Retell — 2004-03-07
• Echo — 2001-08-26
• Echo — 2000-10-29
• Stress, in a way — 2000-10-12
• Rehearse — 1999-09-10
• Echo — 1999-06-25
• Dwell on — 1998-09-12
• Rehearse one's lines — 1996-11-09
• Remind, in a way — 1996-02-09
• Say again — 1995-05-02
• Echo — 1994-08-28
• Do over and over — 1994-02-05
• Say again — 1993-11-27