Deadlines
Combine a milestone with a point in time, and you create a deadline. “I want to be at the 20-mile mark before noon.” Or “I want to cross the mountain ridge before sunset.” These are aspirational deadlines. Sometimes in group situations, the speaker may be one person and the doer may be another. Then they become imperative deadlines. “I want you to get us to the 20-mile mark before noon.” That leads quickly to the interpersonal aspects of estimation that we’ll explore in Chapter 9, When People Clash.
People often talk about imperative deadlines as if someone dies if you cross them. Indeed, the earliest documented use of the word refers to a line demarcated about 20 feet within the stockade walls of the Andersonville Confederate military ...
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