Exercise for the mind
Uhm, maybe.
If you need something that can quite challenge your brain, then this must be it:
Stolen from facebook. So did you find it? Perhaps, it's not as easy as a certain damn password, though ;) But when it struck you, 'oh, yeah, there it is' :D
If you cannot find it:
Hint: Actually, this is just simple reading. It's not even a challenge, lol.
You can do as the pic says :D