If anyone has been dumb enough to give their correct names, information and pictures on the Internet, then who would want to hire people that dumb anyway?
It’s one thing to put a resume out there, it is another to put enough out there to get robbed of your bank accounts and livelihood.
Seriously, if they think Twitter and open Facebook and MySpace profiles are private, what can you expect them to do with company secrets? "I didn't mean to give away our million-dollar deal, I just tweeted it to tell my friends what I was up to." and "I didn't mean to cause an insider trading scandal, I just posted the upcoming merger on Facebook and didn't know a bunch of my friends were going to buy the stock."