for W3c validation
It’s an important question. Unfortunately, most people have no clue as to what the answer is. I’m still beyond blown away with the number of people who go through their whole lives not knowing why they are doing what they are doing.
So, why are you here on earth? Why are you still sitting in that cubicle you’ve hated for the past 3 years? Why are you NOT following your dreams?
Amber has a good write up on the topic of why that prompted this post.