Historical clue formulations

• Bygone Apple messaging app — 2023-06-14
• Old Mac app — 2022-09-14
• Bygone messaging app — 2022-04-24
• Bygone Apple messaging app — 2020-08-09
• Bygone messaging service — 2020-05-08
• Bygone Apple messenger — 2019-02-26
• Facebook Messenger precursor — 2018-03-29
• Bygone Apple app — 2017-11-05
• Texting app that was so 2012 — 2017-07-28
• Onetime tool for talking online — 2017-05-14
• Apple's former instant-messaging program — 2017-04-04
• Apple messaging software — 2016-04-04
• Apple messaging software — 2015-02-27
• Apple communication tool — 2011-11-02
• Instant-messaging program for Macs — 2011-08-08
• Apple messaging software — 2011-07-12
• Apple's instant-messaging program — 2010-10-03
• Apple messaging software — 2010-06-20
• Apple instant-messaging program — 2008-07-23
• Popular Apple communication software — 2006-08-14