Bad Usability Calendar (Calendar With UI Design Tips)

Bad Usability Calendar is a calendar displaying "user interface design tips" with a sense of humor.
It has examples of exaggerated use of fancy Web 2.0 design, cover flow, personalization, pull-down menus and more…

Examples from the tips:

• Don’t require login if you don’t have to
• Offer personalization where it adds value

It is presented in multiple languages, various sizes & PDF format.

Website: http://www.badusability.com/