If you are using the Ruby on Rails acts_as_taggable plugin you may want to display the top tags in a tag cloud. To generate a tag cloud you will to write some code beyond just writing the controller action. You will need to augment the taggable plugin itself and create a function in the application helper. Lets start by adding a new method in the Tag model provided by the acts_as_taggable plugin.
![Acts As Taggable Tag Cloud](https://cdn-ak-scissors.b.st-hatena.com/image/square/8d71ff5111e05619a10d29bb40d7aebaa75c8fbc/height=288;version=1;width=512/https%3A%2F%2Fs0.wp.com%2Fi%2Fblank.jpg)