Avoiding duplicate content in search engines

One consideration many people working their SEO are not aware of is what duplicate content can do to their search results. The same content on many different URLs makes Google think you are a spammer and they will not hesitate to soundly punish you for it.

Pandia has a great article on this topic.

The search engines hate finding two pages with the same or similar content. Unfortunately modern blog software and content management systems have a tendency of generating many different URLs for the same page. So what is a webmaster to do?