Writing is really a craft, it is the process of taking existing words and twisting them to convey thoughts and ideas.
The most profound aspect of writing is that it works on a base level. Whether writing on paper or electronically, the same basic rules apply and it is a mastery of those rules that allows a writer to ply their craft most efficiency.
Writing in an electronically environment has exponentially increased the speed at which humanity communications. The changes are so immense that it has brought all other writing forms to the edge of obsolete. While it has yet to and will likely never completely erase more traditional writing environments, electronic writing has altered the way the world communications to such a degree that there is no turning back.