Historical clue formulations

• Kindles, e.g. — 2014-08-30
• Folks going through leaves — 2010-01-02
• Blogger's audience — 2009-05-19
• Circulation concern — 2009-03-05
• Author's desire — 2006-02-26
• Newspaper customers — 1998-11-16
• Publishing employees — 1998-07-18
• Circulation, in a way — 1998-02-13