What is extreme about Extreme Programming (XP) ?

Extreme Programming takes the effective principles and practices to extreme levels.

• Code reviews are effective as the code is reviewed all the time.
• Testing is effective as there is continuous regression and testing.
• Design is effective as everybody needs to do refactoring daily.
• Integration testing is important as integrate and test several times a day.
• Short iterations are effective as the planning game for release planning and iteration planning.