If I understand this, the Court is saying that technical descriptions of “something” are not considered “free speech”. That could have implications for the government restricting software development (such as cryptography or e-commerce or e-medicine) or the 3D printing specification files for any number of items that the government decides it does not want us to share.
According to a landmark court ruling handed down this week, citing national security
Source: 3D-Printed Gun Files Aren’t Free Speech, Court Rules | Popular Science
