Taking something that people already regularly use and putting an innovative spin on it is a great way to create content that attracts links.
The Thinkmap Visual Thesaurus takes the idea of looking up related words to a whole new level. Instead of sifting through an old, heavy book, you're presented with a beautiful graphic illustrating the various suggestions.
It's a brilliant and hugely popular tool, which has attracted a massive amount of links.
The Visual Thesaurus
