- Add Edit Views

- Ajax Autocomplete

- allowing search engines to spider all your langages

- css

- Custom front controller

- Database Views

- db to table

- Displaying Multiple Templates

- Displaying Multiple Views

- DynamicMenu

- eclipse templates

- Extending Database Drivers

- Form helper with Smarty

- Internationalization and the Template Parser Class

- Moving your app out of DOCROOT

- Multiple Sitessubdomains for Single CI system

- MVC

- PHPEd & CodeIgniter

- Profiler anywhere

- TableTemplates