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Trent Reznor is a Twitter quitter

The lead singer of Nine Inch Nails, a pioneer in social networking, has formally closed his Twitter account. He's following through on his "I'm out" statement.

When a pioneer of social networking turns his back on a social network, is this the beginning of a creeping social apocalypse?

Trent Reznor, frontman of Nine Inch Nails, Webby award winner, and generally interesting chap, has closed his Twitter account.

In June, Reznor declared that as far as social networking is concerned: "I'm out."

And though he briefly returned to microblog about the final, ultimate, totally farewell Nine Inch Nails tour, he has now shut the doors to Twitterdom.

Goodbye to Twitterworld. CC Dameech/Flickr

Certain fans, he declared on the NIN blog in June, were driving him out: "Looks like the Metal Sludge contingency has discover Twitter! Finally! For those of you that don't know what this is, please let me explain. Metal Sludge is the home of the absolutely worst people I've ever come across. It's populated mainly by unattractive plump females who publicly fantasize about having sex with guys in bands."

So now Reznor's tweets are complete. He decided not to offer a good-bye, nor even some hope for social networking's future.

The haters, jealous of his happy relationship with Mariqueen Maandig, frontispiece of the rock band West Indian Girl, have driven him away.

Oprah didn't tweet at all between June 6 and July 15. But don't worry, people. She's still cool with Twitter.

So who might be next to follow Reznor to the exit?