Historical clue formulations

• Early smartphone model of the 2000s — 2025-11-16
• Bygone Palm smartphone — 2023-12-31
• Early smartphone model — 2021-03-14
• Bygone smartphone — 2020-04-07
• iPhone alternative, once — 2020-01-08
• Old Palm smartphone — 2019-01-08
• Smartphone preceded by the Pre — 2013-09-14
• Palm product — 2012-02-01
• Palm phone — 2011-03-13
• Early smartphone — 2010-10-24
• BlackBerry rival — 2010-04-12
• Early smartphone — 2010-02-14
• Smartphone introduced in 2002 — 2009-11-17
• BlackBerry rival — 2008-03-30
• Palm smartphone — 2007-09-01