The idea that certain businesses are so essential that they must not discriminate between customers is as old as ferries. With only one vessel in town, a boatman was generally not allowed to charge a butcher more than a carpenter to move goods. This concept, called “common carriage”, has served the world well, most recently on the internet. The principle of blindly delivering packets of data, regardless of origin, destination or contents, is welded into the network’s technical foundations. This, more than anything else, explains why the internet has become such a fountain of innovation.