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Is there business behind some of those star social network musings? ET's got the scoop on "Twitter Inc.," and who might be getting big bucks to tweet!
Kim Kardashian has nearly 5 million followers on Twitter and reportedly gets paid $10,000 per tweet. Here is how it may work: Kim sent out a tweet that read, "Where is there a Carl's Jr in the valley? I'm seriously craving that salad!"
It just so happens that Kim is featured in some Carl's Jr. ads. In another tweet, Kim tells her followers to pick up Reebok EasyTones with a link to the site where you can purchase the shoes and a photo of Kim in the EasyTones. Kardashian has denied that she gets paid to tweet.
Sandra Smith of Fox Business Network says that Kim's sister Kourtney is also reportedly in on the money-making tweets, raking in about five to ten thousand per tweet.
"You've got Lindsay Lohan and a large number of celebrities that are reportedly getting involved in these tweets for pay," Smith says. "Lindsay Lohan arguably has far fewer followers than some of the other big celebrities, but she's still reportedly getting paid big bucks to participate."
But some stars tweet for fun or to support social causes dear to their hearts, such as Ashton Kutcher and Demi Moore's efforts to end sex trafficking. But Kutcher also turns to the Web to push his product for pay, such as working on Popchips Inc.'s social media campaign.
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