Historical clue formulations

• Extras — 2026-06-28
• Enhancing accessories — 2026-04-08
• Sprinkles and fudge at an ice cream parlor, e.g. — 2024-06-29
• Guac and queso, at some restaurants — 2023-07-07
• Extras — 2020-07-10
• Extras — 2018-02-25
• Aftermarket options — 2014-06-26
• Scanners, webcams, etc. — 2013-08-21
• Options — 2006-10-13
• They're not standard — 2006-04-28
• Peripherals — 2005-10-28
• Extras — 2004-07-19
• Peripherals — 2002-08-23
• Annexes — 2001-02-15
• Extensions — 1999-02-01