Is there a difference between Blogging and Writing?

Via BoingBoing, a pithy thought that blogging is no different from writing

... it occurred to me that there
is no such thing as blogging. There is no such thing as a blogger.
Blogging is just writing -- writing using a particularly efficient type
of publishing technology. Even though I tend to first use Microsoft
Word on the way to being published, I am not, say, a Worder or Wordder.
It’s just software, people! The underlying creative/media function
remains exactly the same.

More in the original article, that deserves reading, from The AdAge