You just can't underestimate human being's intelligence. The "25 Worst Passwords of the Year" for 2011 awards go to, according to SplashData:

• password
• 123456
• 12345678
• qwerty
• abc123
• monkey
• 1234567
• letmein
• trustno1
• dragon
• baseball
• 111111
• iloveyou
• master
• sunshine
• ashley
• bailey
• passw0rd
• shadow
• 123123
• 654321
• superman
• qazwsx
• michael
• football