Meta Tags
In the 90's it was web sites in 2000 it was wap phones and in 2002 it's Meta Tags and web site promotion!
Your Competitors
If you don't market your web site to your clients new and old your competitors will and they will try and take your customers
Traffic Generation
As we say design is nothing if no one can find it or see it! Marketing your web site will become more and more critical to the success of your business.