Historical clue formulations

• Test-taking no-nos — 2024-02-17
• They're smart these days — 2023-09-15
• They're banned in many classrooms nowadays — 2021-08-29
• Dials — 2020-10-18
• Line items? — 2015-02-27
• 7-Down and others — 2012-02-01
• Items in a "bank" — 2007-09-03
• Calls — 2000-11-13
• Conversation pieces — 2000-01-09