Long tail keywords are less competitive and broad. As oppossed to the short tail which is narrow.
Long tail keywords are generally used by less sophisticated web novices or people searching for specific solutions. As a consequence, the long tail tends to have a higher conversion rate.
The key to hitting the long tail is to have more content. It's as easy as that.
It's kind of difficult to target the long tail but you can use the Google Search-based Keyword Tool to look for long tails.
The Long Tail - Wikipedia, the free encyclopedia"The Long Tail" is an article by Chris Anderson in an October 2004 Wired magazine article which described the niche strategy of businesses, such as Amazon.com or Netflix, that sell a large number of unique items, each in relatively small quantities. Anderson elaborated the Long Tail concept in his book The Long Tail: Why the Future of Business Is Selling Less of More (ISBN 1-4013-0237-8).