For profanity filtering, the product has a user-definable dictionary. The Color Picker lets you change an object's color simply by selecting the object and choosing from a palette. The Database Generator lets you add, edit, and remove discussion fields using simple forms. The user interface is extremely well laid out and intuitive to use. You can view or create messages easily using navigation and reply buttons, and embedding attachments and links is also easy.
Expressions features rich full-text search capabilities but no message sorting.