To change the copyright date on their websites to 2013.
Why? Because clients are turned off when they visit a website that was built years and years ago. If your copyright date is more than a few years old, it leaves them wondering WHY you haven’t updated recently, wondering if you still offer the same services, wondering if you still have the same prices – and wondering whether or not you’re even still around.
It’s such a small, simple, little thing you can do to keep your website looking shiny and fresh.