The lines have blurred because the WWW was by far the most important and most visible system/protocol driving development of the internet. I think it's a bit l

The lines have blurred because the WWW was by far the most important and most visible system/protocol driving development of the internet. I think it's a bit like internal combustion engines: They existed before cars, but people associate motors with cars, and even companies named themselves after them "Ford Motor Company", GM, etc... They became synonymous.