When things are digital, they're all 1's and zero's, and so they commingle in ways we didn't anticipate and you could do things that were not like publishing or television, or computers, but were some intersection of those and that got known to be convergence, so between the switching, or trading of places and the convergence, you have today's media.
Every human being has a work to carry on within, duties to perform abroad, influence to exert, which are peculiarly his, and which no conscience but his own can teach.