When hollywood star start using it, you can't stop it.
Oprah register a Twitter account, no update yet, but she is going to send out the first tweet on her show tomorrow. Twitter founder Evan Williams will be there on the show as well.
On April 14, Ashton Kutcher tweet that he will plunk Ted Turners (media tycoon, founder of CNN) if his followers number beat CNN's millions (more than 900k) followers. You can refer to the TechCrunch story here. On 17 April (GMT 4:00) Ashton's follower has surpass CNN(Ashton 998,996 CNN 998,608).
Who is Ashton Kutcher? He is the host of the well known MTV celebrities prank show. He is an actor as well, I like the movie 'Just Married' that he co-star with Brittany Murphy. Ashton Kutcher married actress Demi Moore in year 2005.
When there are people to criticize iPod (the first generation of classic verion) are too big to be carried and over priced, but you found iPod inside every hollywood star's pocket and handbags, you know that you will not able to stop it. The only thing that you can worried is Twitter can handle the volume.
Update: Ashton Kutcher's followers already hit one million.