Copyright law turns 300 today. As I regularly explain to my students, compared to the laws of property or crime, copyright is pretty darn young. But in the space of 300 years, it sure has grown fast, as The Economist notes. Has it grown too fast? Will it survive to 400? Check out these comments. Not a lot of birthday cheer, is there? But no matter how happy you are, remember, don’t sing that song without a license!