What is an  easter egg?

A secret message or screen buried in an application. Typically, easter eggs are used to display the credits for the development team or to display a humorous message. To see an easter egg, you need to know a special procedure or sequence of keystrokes.

For example,

Follow these instructions to see a list of people

who worked on the User Assistance feature of Microsoft Word 2000

1. Open Microsoft Word2000
2. Press F1 or click the "Office Assistant" button
3. Under the "What would you like to do?", type "Cast" (No quotes)
4. Click SEARCH
5. Click the MICROSOFT OFFICE 2000 USER ASSISTANCE STAFF topic
6. Click the graphic in the Microsoft Word Help screen

Here are some links that show you several hidden easter eggs in Programs

 including DVD's, Music CD's, and Games
 

eggheaven2000

eeggs

Axcel216

Q: Do you know of a Windows XP Easter-Egg?
A: Nope. There shouldn't be any. The US government will not buy software with "undocumented features", and thus Easter-Eggs were banned!
 

Kozee's Korner

Tweakdoctor.com