Interesting site of the day

Notstarring.com is a movie trivia database focusing exclusively on movie stars and the roles they turned down, auditioned for, got fired from, or simply didn't get.

For instance:

Who was considered for Air Force One?
Kevin Costner
The role of the President was originally written for Costner but after complications with another film (The Postman), Costner had to drop out. He offered the part to Harrison Ford.