What's the difference between a Blonde and a lightbulb?

From Joke5.co.uk
Date: Sun, 02 Oct 1994  
From: Brian Cyr / S29208%MOTHER@UTRCGW.UTC.COM

Q: What's the difference between a Blonde and a lightbulb?
A: The lightbulb is smarter, but the blonde is easier to turn on.