Why Isn't Angelina Jolie on Facebook?

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Why isn't Angelina Jolie on Facebook? Are you not supposed to talk to fans on Facebook or Twitter once you get to the A-list?
?CorinT, via the Answer B!tch inbox

Precisely. Once you reach a certain fame level, you essentially become full up in the worshipper department. Someone will need to die before you can consider adding a new pal. That's how full up you are.

In fact, a few major stars even have been dinged by lesser, Twitter-friendly celebs for refusing to embrace the YouFace era...

...and this week, that includes Jennifer Aniston.

In his now-infamous interview with Playboy, John Mayer essentially tweaks Aniston for not getting with the typey-typey:

"One of the most significant differences between us was that I was tweeting," Mayer says. "There was a rumor that I had been dumped because I was tweeting too much. That wasn't it, but that was a big difference. The brunt of her success came before TMZ and Twitter. I think she's still hoping it goes back to 1998. She saw my involvement in technology as courting distraction. And I always said, 'These are the new rules.' You have to show that you don't take yourself seriously."

Sure, John, that could be what the Twitter is all about.

But it's also about updating friends or fans on your status. And given that tabloids pretty much already do that for Aniston and Brangelina and Clooney and Witherspoon, that sort of technology does no good for them.

"Let's be honest," veteran publicist Howard Bragman tells me. "Most A-listers are trying to protect themselves from fans, not get closer to them. The dirty little secret is that there are a number of top stars on Facebook, but many of them have pseudonyms so you would never know.

"Clearly a number of stars tweet to promote their ideas and brands," says Bragman, author ofWhere's My Fifteen Minutes?, "but does Angelina really need to tweet every time she goes to the CVS Pharmacy when 100 photographers capture it?"

As for which A-listers really might be avoiding you on Facebook, Gawker explored that topic recently during the height of the site's privacy settings uproar.

Many of the sites Gawker found appear to be fakes, but it's still fun to guess. And apparently that's just what the stars want you to do. George Clooney he recently said he'd rather have a prostate exam on live TV than have a Facebook page. Like this one.