Corned beef hash, hash browns, there are many great types of hash out there (don't start, I get it). All too often overlooked by online marketers and webmasters, however, is the old school hash symbol (#), also known as the pound symbol. This little beauty can do some pretty cool things for you. It can control duplicate content problems, martial affiliate links, and even help you control the content shown to different visitors...not bad for the old shift+3.
Watch the video to learn what hash can do for you.