In the age of telecommuting, an e-mail message sent either early in the morning, or late at night, with the subtle intent of revealing the fact that the sender was logged on and working at the time the message was sent, hidden within the context of a more "official" looking message.
(an example "notice me e-mail")
From: Molly Worker
Date: 03/27/05 23:17:04 EST
Subject: Deliverable deadline
Hi all... I just wanted to let you all know that I have received most of your status reports, but that the deliverable deadline is fixed. Therefore, if you will not be able to make the deadline, please adjust your status report schedule to fit the deadline.