In an essay on why written and spoken English have become so different from each other throughout the past 1000 years, one of my students wrote:
Written English can be amended over time, deleting superfluous sentences, compacting complex concepts, and inserting new ideas, eventuating in a full and complete final document.
I guess she has never known a world without word processors!
(She also, weirdly, gave URLs for all her sources, even those that are published books and papers. I guess she was concerned that I might not be able to find them if I don't know to look online.)