Catherine Crump of the ACLU writes:
Earlier this month, news broke that the government got a court order to force Twitter to reveal the private account information of some people associated with WikiLeaks. What is unusual about the situation is not that the government obtained such an order, but that we found out about it at all. Our government routinely gains access to Americans’ private online information through secret court orders. Worse yet, these proceedings are one-sided, with only the government presenting arguments. In a legal system based on openness and adversarial process, this has led to troubling results that threaten our privacy.
Read more on the ACLU Blog.