How to hack a password-locked iPad 2 through the smart cover

Hello,this is Doctor Blake.Now people say "Wow,That guy's got an iPad 2!" and stuff .What if you could stop that guys attempts in showing off?Yeah,that'd be cool.Anyway,so here it is.Apple forgot to see a minor glitch .Here's how you hack a password-locked iPad-2.

1.Press the "sleep"button
2.Press the home button
3.They ask you for the passcode
4.Hold the sleep button until the "Slide to Power off screen appears"
5.Attach the smart cover
5.Take it off
6.You have full access!

Yeah,courtesy to iFans.Check out their link too http://www.ifans.com/forums/showthread.php?p=2834609#post2834609