Historical clue formulations

• Router attachments — 2018-11-25
• Computer hookups — 2016-11-27
• Holders of jacks — 2009-03-15
• Certain connection makers — 2006-02-17
• Internet service providers — 2005-07-16
• Connection providers — 2004-05-07
• Surfing equipment? — 1998-04-02
• Office connections? — 1993-12-21