Historical clue formulations

• Watson and Deep Blue, for two — 2025-08-21
• Some classic PCs — 2024-11-24
• Some old PCs — 2024-10-20
• ThinkPads, originally — 2024-08-17
• "Big Blue" machines — 2023-09-03
• Many early PCs — 2023-03-13
• ThinkPads, e.g., once — 2023-01-08
• Some old PCs — 2022-05-08
• Many mainframes — 2022-04-10
• Watson and others — 2022-03-26
• Some old PCs — 2021-07-06
• Many mainframes — 2021-01-22
• Some mainframe computers — 2020-11-17
• Some early computers — 2018-04-20
• Some old PCs — 2017-04-25
• Some classic computers — 2016-11-24
• Some early PCs — 2016-11-15
• Some servers — 2016-10-20
• Some old PCs — 2015-06-07
• Many old terminals — 2015-01-31
• Many early PCs — 2014-05-05
• Apples might be compared to them — 2011-05-06
• Deep Blue and others — 2011-04-21
• Some laptops — 2008-12-05
• Many servers — 2008-07-26
• Some early PCs — 2007-05-28
• Classic PC's — 2006-12-15
• Apples can be compared to them — 2005-12-18
• Many P.C.'s — 2004-08-17
• Some PC's — 2003-04-03
• Many PC's — 2002-09-01
• Some PC's — 2000-01-31
• Apple alternatives — 1996-06-22
• Cloned computers — 1994-11-03