The Joshua Tree Extension adds usability enhancements to assist in reading the Housing Bubble Blog, including:
- Displays the number of new/unread comments in each post summary
- Hilights new comments so they're easily identifiable
- Adds a toolbar for jumping forward/backward to the next new comment
- Ability to ignore(automatically collapse) posts from specified users
- Adds text formatting buttons to the comment authoring environment
- Checks for unclosed HTML tags when posting a comment
