Historical clue formulations

• Flash sale come-on — 2023-02-11
• End of a sales pitch — 2021-03-12
• Infomercial imperative — 2019-10-27
• Commercial command — 2015-09-26
• "Hurry or you'll miss out!" — 2013-07-22
• Ad imperative — 2011-06-25
• Ad exhortation — 2009-03-17
• Ad directive — 2007-06-29
• TV ad directive — 2000-06-22