Ashton Kutcher now has more subscribers on Twitter than any US newspaper except USA Today and Wall Street Journal has for its paper news.
He's closing fast on those two that one. (In the one day since I started writing this blog, he's surpassed the Wall Street Journal).

If you don't think the comparison counts, I wonder how many of his 2 million followers buy or read paper news as regularly as they check Twitter?

How does this flocking behavior work in social media? Kind of like this (RT @aplusk):