Historical clue formulations

• Like books for Project Gutenberg — 2021-04-30
• Checked the meter? — 2012-04-07
• Like items at a supermarket checkout — 2011-09-04
• Speed-read — 2007-12-05
• Like many supermarket lines? — 2007-10-13
• Medically examined via machine — 2007-07-15
• Speed-read — 2006-03-10
• Input, in a way — 1996-06-14