Work - The American Way

In ‘I am a Stranger Here Myself’, a collection of weekly articles about life in the USA written by Bill Bryson for readers in the UK, Bryson talks about how the average American gets up at the crack of dawn and starts working etc.
I guess that's true of the machines in this great countries too.


How else can you explain this:
Spam from US-based servers starts hitting my mail box just after it is morning over there?