| Many modern websites have the need for a threaded commenting system. Places | |
| like Digg_ and <caret>`Reddit and digg`_ have great systems for responding not only to an item on | |
| the site, but also for responding to comments on that item as well. | |
| .. _Digg: http://www.digg.com/ | |
| .. _Reddit and digg: http://www.reddit.com/ | |