Samizdata - 3:17 pm on May 30, 2011 (gmt 0)
A follow-up article included this intriguing snippet:
The Guardian also understands that Google and Wordpress appear to have handed over user information related to the South Tyneside case last year.
The apparent difference is that Twitter obtained a ruling to allow the account holder to be notified (though this would almost certainly not be granted in a criminal case).
I also didn't realize UK law applied to US based actions
It hasn't since 1776 and is not about to resume anytime soon.
The superior court of California clearly has jurisdiction (California company, California server) and presumably the judge decided that the application was valid in California law.
It would be interesting to see the judge's reasoning, though.